diff --git a/bot.py b/bot.py
index b24e870..e52d3a0 100644
--- a/bot.py
+++ b/bot.py
@@ -74,7 +74,9 @@ class BotRunner:
             morning_time = os.getenv("MORNING_TIME", "07:00")
             self.scheduler = Scheduler(self.bot, morning_time)
             self.bot._scheduler = self.scheduler
-            logger.info("Планировщик запущен (время: %s, сервер: %s)", morning_time, guild.name)
+            logger.info(
+                "Планировщик запущен (время: %s, сервер: %s)", morning_time, guild.name
+            )
 
         @self.bot.event
         async def on_command_error(ctx: commands.Context, error: Exception) -> None:
@@ -84,7 +86,9 @@ class BotRunner:
             # Терминал — детали для разработчика
             cmd_name = ctx.command.name if ctx and ctx.command else "?"
             logger.error(
-                "Ошибка команды %s: %s", cmd_name, error,
+                "Ошибка команды %s: %s",
+                cmd_name,
+                error,
                 exc_info=True,
             )
 
@@ -146,7 +150,9 @@ class BotRunner:
                 logger.critical(
                     "Непредвиденная ошибка при запуске бота: %s", e, exc_info=True
                 )
-                logger.error("Критическая ошибка при запуске. Код ошибки: %s", type(e).__name__)
+                logger.error(
+                    "Критическая ошибка при запуске. Код ошибки: %s", type(e).__name__
+                )
                 sys.exit(1)
             finally:
                 # Context manager (async with self.bot) закрывает бота автоматически
@@ -174,9 +180,7 @@ def _validate_config() -> None:
         if not (0 <= hour <= 23 and 0 <= minute <= 59):
             raise ValueError
     except (ValueError, AttributeError):
-        logger.error(
-            "Неверный формат MORNING_TIME: %s (ожидается ЧЧ:ММ)", morning_time
-        )
+        logger.error("Неверный формат MORNING_TIME: %s (ожидается ЧЧ:ММ)", morning_time)
         sys.exit(1)
 
     channel_id = os.getenv("MORNING_CHANNEL_ID")
diff --git a/commands/cat.py b/commands/cat.py
index 8e98043..4d736f0 100644
--- a/commands/cat.py
+++ b/commands/cat.py
@@ -15,14 +15,13 @@ class Cat(commands.Cog):
         """Получить случайного котика"""
         url = await fetch_cat()
         if url is None:
-            logger.warning("%s: !cat — не удалось получить котика (API вернул None)", ctx.author)
+            logger.warning(
+                "%s: !cat — не удалось получить котика (API вернул None)", ctx.author
+            )
             await ctx.send("Не удалось получить котика. Попробуйте позже.")
             return
 
-        embed = discord.Embed(
-            title="Котик для тебя!",
-            color=discord.Color.orange()
-        )
+        embed = discord.Embed(title="Котик для тебя!", color=discord.Color.orange())
         embed.set_image(url=url)
         await ctx.send(embed=embed)
         logger.info("%s: !cat выполнена", ctx.author)
diff --git a/commands/help.py b/commands/help.py
index 6b4ae11..ff2af43 100644
--- a/commands/help.py
+++ b/commands/help.py
@@ -27,5 +27,3 @@ class Help(commands.Cog):
         message += "\n\n" + "=" * 40
 
         await ctx.send(message)
-
-
diff --git a/commands/news.py b/commands/news.py
index 726f3ec..4d87582 100644
--- a/commands/news.py
+++ b/commands/news.py
@@ -20,7 +20,9 @@ class News(commands.Cog):
         """Топ-5 свежих статей и новостей по AI с Habr"""
         articles = await fetch_rss(RSS_URL_ARTICLES)
         if articles is None:
-            logger.warning("%s: !nw — не удалось получить статьи (API вернул None)", ctx.author)
+            logger.warning(
+                "%s: !nw — не удалось получить статьи (API вернул None)", ctx.author
+            )
             await ctx.send("Не удалось получить новости. Попробуйте позже.")
             return
 
@@ -29,9 +31,11 @@ class News(commands.Cog):
             await ctx.send("Новостей пока нет.")
             return
 
-        articles_text = format_articles(articles,
-                                        "Лучшие статьи за сутки / Искусственный интеллект / Хабr",
-                                        "https://habr.com/ru/hubs/artificial_intelligence/articles/top/daily/")
+        articles_text = format_articles(
+            articles,
+            "Лучшие статьи за сутки / Искусственный интеллект / Хабr",
+            "https://habr.com/ru/hubs/artificial_intelligence/articles/top/daily/",
+        )
 
         posts = await fetch_rss(RSS_URL_POSTS)
 
@@ -47,16 +51,20 @@ class News(commands.Cog):
         )
 
         if posts is None:
-            logger.warning("%s: !nw — не удалось получить посты (API вернул None)", ctx.author)
+            logger.warning(
+                "%s: !nw — не удалось получить посты (API вернул None)", ctx.author
+            )
             embed.add_field(
                 name="Новости",
                 value="Не удалось получить новости.",
                 inline=False,
             )
         elif posts:
-            posts_text = format_articles(posts,
-                                         "Лучшие новости за сутки / Искусственный интеллект / Хабr",
-                                         "https://habr.com/ru/hubs/artificial_intelligence/news/top/daily/")
+            posts_text = format_articles(
+                posts,
+                "Лучшие новости за сутки / Искусственный интеллект / Хабr",
+                "https://habr.com/ru/hubs/artificial_intelligence/news/top/daily/",
+            )
             embed.add_field(
                 name="Новости",
                 value=truncate_embed_field("\n".join(posts_text)),
@@ -71,4 +79,9 @@ class News(commands.Cog):
             )
 
         await ctx.send(embed=embed)
-        logger.info("%s: !nw выполнена (статей: %d, постов: %d)", ctx.author, len(articles), len(posts) if posts else 0)
+        logger.info(
+            "%s: !nw выполнена (статей: %d, постов: %d)",
+            ctx.author,
+            len(articles),
+            len(posts) if posts else 0,
+        )
diff --git a/commands/pg.py b/commands/pg.py
index 7df8137..8137dd2 100644
--- a/commands/pg.py
+++ b/commands/pg.py
@@ -16,7 +16,9 @@ class Pg(commands.Cog):
         """Прогноз погоды в Магнитогорске"""
         data = await fetch_weather(self.api_url)
         if data is None:
-            logger.warning("%s: !pg — не удалось получить погоду (API вернул None)", ctx.author)
+            logger.warning(
+                "%s: !pg — не удалось получить погоду (API вернул None)", ctx.author
+            )
             await ctx.send("Не удалось получить данные о погоде.")
             return
 
diff --git a/commands/stats.py b/commands/stats.py
index 5aece5a..044364f 100644
--- a/commands/stats.py
+++ b/commands/stats.py
@@ -14,7 +14,13 @@ class Stats(commands.Cog):
         guilds = ctx.bot.guilds
         total_guilds = len(guilds)
         total_channels = sum(
-            len([ch for ch in guild.channels if not isinstance(ch, discord.CategoryChannel)])
+            len(
+                [
+                    ch
+                    for ch in guild.channels
+                    if not isinstance(ch, discord.CategoryChannel)
+                ]
+            )
             for guild in guilds
         )
         total_members = sum(guild.member_count or 0 for guild in guilds)
diff --git a/tests/test_bot.py b/tests/test_bot.py
index 76e79f9..324efa3 100644
--- a/tests/test_bot.py
+++ b/tests/test_bot.py
@@ -42,7 +42,9 @@ class TestBotErrorHandling:
         import bot
 
         runner = bot.BotRunner()
-        with patch.object(runner.bot, "start", side_effect=discord.LoginFailure("bad token")):
+        with patch.object(
+            runner.bot, "start", side_effect=discord.LoginFailure("bad token")
+        ):
             with patch.object(runner.bot, "__aenter__", return_value=runner.bot):
                 with patch.object(runner.bot, "__aexit__", return_value=None):
                     with patch("sys.exit") as mock_exit:
@@ -55,7 +57,11 @@ class TestBotErrorHandling:
 
         runner = bot.BotRunner()
         mock_response = MagicMock(status=502)
-        with patch.object(runner.bot, "start", side_effect=discord.HTTPException(mock_response, "Bad Gateway")):
+        with patch.object(
+            runner.bot,
+            "start",
+            side_effect=discord.HTTPException(mock_response, "Bad Gateway"),
+        ):
             with patch.object(runner.bot, "__aenter__", return_value=runner.bot):
                 with patch.object(runner.bot, "__aexit__", return_value=None):
                     with patch("sys.exit") as mock_exit:
@@ -75,17 +81,25 @@ class TestBotErrorHandling:
         runner = bot.BotRunner()
         # Проверяем, что _on_shutdown и _on_shutdown_async методы существуют
         assert hasattr(runner, "_on_shutdown"), "Метод _on_shutdown должен существовать"
-        assert hasattr(runner, "_on_shutdown_async"), "Метод _on_shutdown_async должен существовать"
+        assert hasattr(runner, "_on_shutdown_async"), (
+            "Метод _on_shutdown_async должен существовать"
+        )
         # Проверяем, что signal модуль НЕ импортирован в bot.py
         with open(ROOT_DIR / "bot.py", encoding="utf-8") as f:
             content = f.read()
-        assert "signal.signal" not in content, "Не должно быть signal.signal — используется on_shutdown"
+        assert "signal.signal" not in content, (
+            "Не должно быть signal.signal — используется on_shutdown"
+        )
 
     def test_code_uses_async_bot_pattern(self) -> None:
         """Проверка, что bot.py использует async with / asyncio.run."""
         with open(ROOT_DIR / "bot.py", encoding="utf-8") as f:
             content = f.read()
 
-        assert "async with self.bot" in content, "Должен быть паттерн 'async with self.bot'"
+        assert "async with self.bot" in content, (
+            "Должен быть паттерн 'async with self.bot'"
+        )
         assert "asyncio.run(main())" in content, "Должен быть вызов asyncio.run()"
-        assert "bot.run(token)" not in content, "Не должно быть bot.run(token) — это антипаттерн"
+        assert "bot.run(token)" not in content, (
+            "Не должно быть bot.run(token) — это антипаттерн"
+        )
diff --git a/tests/test_commands_pg.py b/tests/test_commands_pg.py
index 1e813fc..2072b31 100644
--- a/tests/test_commands_pg.py
+++ b/tests/test_commands_pg.py
@@ -176,7 +176,9 @@ class TestPgCommand:
         """Описание погоды на русском должно корректно переводиться."""
         cog = self._make_cog()
         ctx = self._make_ctx()
-        weather = self._make_weather_data(weatherDesc=[{"value": "Переменная облачность"}])
+        weather = self._make_weather_data(
+            weatherDesc=[{"value": "Переменная облачность"}]
+        )
 
         with patch("commands.pg.fetch_weather", new=AsyncMock(return_value=weather)):
             await cog.pg.callback(cog, ctx)
diff --git a/tests/test_commands_stats.py b/tests/test_commands_stats.py
index 65d90a7..eefe07c 100644
--- a/tests/test_commands_stats.py
+++ b/tests/test_commands_stats.py
@@ -1,8 +1,10 @@
 """Тесты для команды !stats."""
+
 from unittest.mock import AsyncMock, MagicMock
 
 from commands.stats import Stats
 
+
 class TestStatsCommand:
     """Тесты Discord-команды stats."""
 
diff --git a/tests/test_commands_status.py b/tests/test_commands_status.py
index 1fec71a..725b9c9 100644
--- a/tests/test_commands_status.py
+++ b/tests/test_commands_status.py
@@ -1,4 +1,5 @@
 """Тесты для команды !status."""
+
 import time
 
 from unittest.mock import AsyncMock, MagicMock
diff --git a/tests/test_fetch_cat.py b/tests/test_fetch_cat.py
index ac7f291..9f31afe 100644
--- a/tests/test_fetch_cat.py
+++ b/tests/test_fetch_cat.py
@@ -61,7 +61,9 @@ class TestFetchCat:
     async def test_fetch_cat_json_parse_error(self, mock_get) -> None:
         """Ошибка парсинга JSON должна вернуть None."""
         mock_response = MagicMock()
-        mock_response.json.side_effect = requests.JSONDecodeError("Expecting value", "", 0)
+        mock_response.json.side_effect = requests.JSONDecodeError(
+            "Expecting value", "", 0
+        )
         mock_response.raise_for_status = MagicMock()
         mock_get.return_value = mock_response
         result = await fetch_cat()
@@ -88,7 +90,9 @@ class TestFetchCat:
     async def test_fetch_cat_url_with_special_chars(self, mock_get) -> None:
         """URL со спецсимволами должен вернуться как есть."""
         mock_response = MagicMock()
-        mock_response.json.return_value = [{"url": "https://example.com/cat?w=100&h=200"}]
+        mock_response.json.return_value = [
+            {"url": "https://example.com/cat?w=100&h=200"}
+        ]
         mock_response.raise_for_status = MagicMock()
         mock_get.return_value = mock_response
         result = await fetch_cat()
diff --git a/tests/test_fetch_rss.py b/tests/test_fetch_rss.py
index 5f78697..9e28391 100644
--- a/tests/test_fetch_rss.py
+++ b/tests/test_fetch_rss.py
@@ -1,4 +1,3 @@
-
 import requests
 from unittest.mock import patch, MagicMock
 from utils.news import fetch_rss
@@ -157,12 +156,14 @@ class TestFetchRss:
     </item>"""
             for i in range(15)
         )
-        rss_content = (f"""<?xml version="1.0" encoding="UTF-8"?>
+        rss_content = (
+            f"""<?xml version="1.0" encoding="UTF-8"?>
 <rss version="2.0">
   <channel>
     {items}
   </channel>
-</rss>""").encode()
+</rss>"""
+        ).encode()
         mock_response = MagicMock()
         mock_response.content = rss_content
         mock_response.raise_for_status = MagicMock()
@@ -408,4 +409,10 @@ class TestFetchRss:
         mock_get.return_value = mock_response
         result = await fetch_rss("https://example.com/rss")
         assert result is not None
-        assert result[0]["tags"] == ["AI", "ML", "Deep Learning", "NLP", "Computer Vision"]
+        assert result[0]["tags"] == [
+            "AI",
+            "ML",
+            "Deep Learning",
+            "NLP",
+            "Computer Vision",
+        ]
diff --git a/tests/test_fetch_weather.py b/tests/test_fetch_weather.py
index 6d42dd0..d014d12 100644
--- a/tests/test_fetch_weather.py
+++ b/tests/test_fetch_weather.py
@@ -1,4 +1,3 @@
-
 import pytest
 import requests
 from requests.exceptions import ConnectionError, Timeout, SSLError
@@ -108,7 +107,16 @@ class TestFetchOpenMeteo:
     async def test_fetch_open_meteo_custom_coords(self, mock_get) -> None:
         """Кастомные координаты должны быть в URL."""
         mock_response = MagicMock()
-        mock_response.json.return_value = {"current": {"temperature": 25, "apparent_temperature": 22, "weather_code": 0, "wind_speed_10m": 3, "relative_humidity_2m": 50, "pressure_msl": 1020}}
+        mock_response.json.return_value = {
+            "current": {
+                "temperature": 25,
+                "apparent_temperature": 22,
+                "weather_code": 0,
+                "wind_speed_10m": 3,
+                "relative_humidity_2m": 50,
+                "pressure_msl": 1020,
+            }
+        }
         mock_response.raise_for_status = MagicMock()
         mock_get.return_value = mock_response
         result = await fetch_open_meteo(lat=55.7558, lon=37.6173)
@@ -127,7 +135,9 @@ class TestFetchOpenMeteo:
         mock_get.return_value = mock_response
         result = await fetch_open_meteo()
         assert result is not None
-        assert result["current_condition"][0]["weatherDesc"] == [{"value": "Неизвестно"}]
+        assert result["current_condition"][0]["weatherDesc"] == [
+            {"value": "Неизвестно"}
+        ]
 
     @patch("utils.pogoda._session.get")
     async def test_fetch_open_meteo_ssl_error(self, mock_get) -> None:
@@ -174,7 +184,16 @@ class TestFetchOpenMeteo:
     async def test_fetch_open_meteo_retry_on_error(self, mock_get) -> None:
         """Retry: первая попытка падает, вторая успешна."""
         success_response = MagicMock()
-        success_response.json.return_value = {"current": {"temperature": 20, "apparent_temperature": 18, "weather_code": 1, "wind_speed_10m": 4, "relative_humidity_2m": 60, "pressure_msl": 1015}}
+        success_response.json.return_value = {
+            "current": {
+                "temperature": 20,
+                "apparent_temperature": 18,
+                "weather_code": 1,
+                "wind_speed_10m": 4,
+                "relative_humidity_2m": 60,
+                "pressure_msl": 1015,
+            }
+        }
         success_response.raise_for_status = MagicMock()
         mock_get.side_effect = [ConnectionError("fail"), success_response]
         result = await fetch_open_meteo(max_retries=2)
@@ -184,7 +203,11 @@ class TestFetchOpenMeteo:
     @patch("utils.pogoda._session.get")
     async def test_fetch_open_meteo_all_retries_fail(self, mock_get) -> None:
         """Все попытки неудачны → None."""
-        mock_get.side_effect = [ConnectionError("fail"), ConnectionError("fail"), ConnectionError("fail")]
+        mock_get.side_effect = [
+            ConnectionError("fail"),
+            ConnectionError("fail"),
+            ConnectionError("fail"),
+        ]
         result = await fetch_open_meteo(max_retries=3)
         assert result is None
         assert mock_get.call_count == 3
diff --git a/tests/test_format_articles.py b/tests/test_format_articles.py
index 4602516..0115613 100644
--- a/tests/test_format_articles.py
+++ b/tests/test_format_articles.py
@@ -9,7 +9,11 @@ class TestTruncateTitle:
         "title, max_len, expected",
         [
             ("Короткий заголовок", 60, "Короткий заголовок"),
-            ("Заголовок ровно в 60 символов1234567890", 60, "Заголовок ровно в 60 символов1234567890"),
+            (
+                "Заголовок ровно в 60 символов1234567890",
+                60,
+                "Заголовок ровно в 60 символов1234567890",
+            ),
             ("A" * 80, 60, "A" * 60 + "..."),  # ASCII для надёжного сравнения
             ("", 60, ""),
             ("A" * 100, 100, "A" * 100),
@@ -60,7 +64,9 @@ class TestParseDate:
     def test_parse_date_invalid(self) -> None:
         """Невалидная дата должна вернуть первые 10 символов."""
         result = _parse_date("invalid-date-string")
-        assert result == "invalid.da"  # первые 10 символов: 'invalid-da' → 'invalid.da' (replace('-','.'))
+        assert (
+            result == "invalid.da"
+        )  # первые 10 символов: 'invalid-da' → 'invalid.da' (replace('-','.'))
 
 
 class TestFormatArticles:
@@ -93,7 +99,13 @@ class TestFormatArticles:
     def test_format_articles_limit_to_5(self) -> None:
         """Больше 5 статей должно быть обрезано до 5."""
         articles = [
-            {"title": f"Статья {i}", "link": f"https://habr.com/{i}", "pub_date": "Mon, 28 May 2026 10:00:00 +0000", "creator": "", "tags": []}
+            {
+                "title": f"Статья {i}",
+                "link": f"https://habr.com/{i}",
+                "pub_date": "Mon, 28 May 2026 10:00:00 +0000",
+                "creator": "",
+                "tags": [],
+            }
             for i in range(10)
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
@@ -131,7 +143,13 @@ class TestFormatArticles:
         """Длинный заголовок должен быть обрезан до 60 символов с '...'."""
         long_title = "A" * 100
         articles = [
-            {"title": long_title, "link": "https://habr.com/1", "pub_date": "Mon, 28 May 2026 10:00:00 +0000", "creator": "", "tags": []}
+            {
+                "title": long_title,
+                "link": "https://habr.com/1",
+                "pub_date": "Mon, 28 May 2026 10:00:00 +0000",
+                "creator": "",
+                "tags": [],
+            }
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
         assert len(result[1].split("\n")[0]) == 63  # 60 + "..."
@@ -141,7 +159,13 @@ class TestFormatArticles:
         """Короткий заголовок должен остаться без изменений."""
         short_title = "Кот"
         articles = [
-            {"title": short_title, "link": "https://habr.com/1", "pub_date": "Mon, 28 May 2026 10:00:00 +0000", "creator": "", "tags": []}
+            {
+                "title": short_title,
+                "link": "https://habr.com/1",
+                "pub_date": "Mon, 28 May 2026 10:00:00 +0000",
+                "creator": "",
+                "tags": [],
+            }
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
         assert result[1].split("\n")[0] == "Кот"
@@ -150,7 +174,13 @@ class TestFormatArticles:
         """Заголовок ровно 60 символов не должен обрезаться."""
         exact_title = "A" * 60
         articles = [
-            {"title": exact_title, "link": "https://habr.com/1", "pub_date": "Mon, 28 May 2026 10:00:00 +0000", "creator": "", "tags": []}
+            {
+                "title": exact_title,
+                "link": "https://habr.com/1",
+                "pub_date": "Mon, 28 May 2026 10:00:00 +0000",
+                "creator": "",
+                "tags": [],
+            }
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
         assert result[1].split("\n")[0] == exact_title
@@ -173,7 +203,13 @@ class TestFormatArticles:
     def test_format_articles_empty_date(self) -> None:
         """Пустая дата должна быть пустой строкой."""
         articles = [
-            {"title": "Статья", "link": "https://habr.com/1", "pub_date": "", "creator": "", "tags": []}
+            {
+                "title": "Статья",
+                "link": "https://habr.com/1",
+                "pub_date": "",
+                "creator": "",
+                "tags": [],
+            }
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
         assert result[1] == "Статья\n   <https://habr.com/1>"
@@ -181,7 +217,13 @@ class TestFormatArticles:
     def test_format_articles_none_date(self) -> None:
         """None дата должна быть пустой строкой."""
         articles = [
-            {"title": "Статья", "link": "https://habr.com/1", "pub_date": None, "creator": "", "tags": []}
+            {
+                "title": "Статья",
+                "link": "https://habr.com/1",
+                "pub_date": None,
+                "creator": "",
+                "tags": [],
+            }
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
         assert result[1] == "Статья\n   <https://habr.com/1>"
@@ -189,7 +231,13 @@ class TestFormatArticles:
     def test_format_articles_empty_link(self) -> None:
         """Пустая ссылка должна быть пустой строкой в угловых скобках."""
         articles = [
-            {"title": "Статья", "link": "", "pub_date": "Mon, 28 May 2026 10:00:00 +0000", "creator": "", "tags": []}
+            {
+                "title": "Статья",
+                "link": "",
+                "pub_date": "Mon, 28 May 2026 10:00:00 +0000",
+                "creator": "",
+                "tags": [],
+            }
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
         assert result[1].endswith("   <>")
@@ -211,7 +259,13 @@ class TestFormatArticles:
     def test_format_articles_exact_5_articles(self) -> None:
         """Ровно 5 статей должно быть включено."""
         articles = [
-            {"title": f"Статья {i}", "link": f"https://habr.com/{i}", "pub_date": "Mon, 28 May 2026 10:00:00 +0000", "creator": "", "tags": []}
+            {
+                "title": f"Статья {i}",
+                "link": f"https://habr.com/{i}",
+                "pub_date": "Mon, 28 May 2026 10:00:00 +0000",
+                "creator": "",
+                "tags": [],
+            }
             for i in range(5)
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
@@ -221,7 +275,13 @@ class TestFormatArticles:
     def test_format_articles_6th_article_excluded(self) -> None:
         """6-я статья должна быть исключена."""
         articles = [
-            {"title": f"Статья {i}", "link": f"https://habr.com/{i}", "pub_date": "Mon, 28 May 2026 10:00:00 +0000", "creator": "", "tags": []}
+            {
+                "title": f"Статья {i}",
+                "link": f"https://habr.com/{i}",
+                "pub_date": "Mon, 28 May 2026 10:00:00 +0000",
+                "creator": "",
+                "tags": [],
+            }
             for i in range(6)
         ]
         result = format_articles(articles, "Заголовок", "https://habr.com/feed")
diff --git a/tests/test_help_discord.py b/tests/test_help_discord.py
index f7a7324..ebdabfc 100644
--- a/tests/test_help_discord.py
+++ b/tests/test_help_discord.py
@@ -40,7 +40,9 @@ class TestHelpCommandDiscord:
         mock_ctx.bot.commands = [
             self._make_mock_command("pg", "Прогноз погоды в Магнитогорске"),
             self._make_mock_command("nw", "Топ-5 статей и топ-5 новостей AI с Habr"),
-            self._make_mock_command("morning", "Утренний дайджест: погода + новости + котик"),
+            self._make_mock_command(
+                "morning", "Утренний дайджест: погода + новости + котик"
+            ),
             self._make_mock_command("cat", "Случайный котик"),
         ]
         mock_ctx.send = AsyncMock(side_effect=send_side_effect)
diff --git a/tests/test_integration.py b/tests/test_integration.py
index 84b8721..7640e67 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -19,6 +19,7 @@ async def loaded_bot():
     bot = commands.Bot(command_prefix="!", intents=intents)
 
     from commands import ALL_COMMANDS
+
     for cog_class in ALL_COMMANDS:
         await bot.add_cog(cog_class())
     return bot
@@ -31,6 +32,7 @@ class TestCogLoading:
     async def test_all_cogs_load(self, loaded_bot) -> None:
         """Все ког-модули должны загружаться без ошибок."""
         from commands import ALL_COMMANDS
+
         assert len(loaded_bot.cogs) == len(ALL_COMMANDS)
 
     @pytest.mark.asyncio
@@ -91,6 +93,7 @@ class TestCommandFlow:
         bot = commands.Bot(command_prefix="!", intents=intents)
 
         from commands.stats import Stats
+
         await bot.add_cog(Stats())
 
         mock_ctx = MagicMock()
diff --git a/tests/test_morning_runner.py b/tests/test_morning_runner.py
index ec9d226..c8c0808 100644
--- a/tests/test_morning_runner.py
+++ b/tests/test_morning_runner.py
@@ -79,8 +79,12 @@ class TestSchedulerStartStop:
     def test_stop_stops_task(self) -> None:
         """stop() должен остановить task."""
         bot = AsyncMock()
-        with patch("asyncio.create_task"):
+        with patch.object(Scheduler, "_start_scheduler"):
             scheduler = Scheduler(bot)
+            scheduler._running = True
+            mock_task = MagicMock()
+            mock_task.done.return_value = False
+            scheduler._task = mock_task
         scheduler.stop()
         assert scheduler._running is False
 
@@ -107,16 +111,50 @@ class TestRunMorning:
 
         weather_data = {
             "current_condition": [
-                {"temp_C": "20", "FeelsLikeC": "22", "weatherDesc": [{"value": "Clear"}], "humidity": "50", "windspeedKmph": "10", "pressure": "1013"}
+                {
+                    "temp_C": "20",
+                    "FeelsLikeC": "22",
+                    "weatherDesc": [{"value": "Clear"}],
+                    "humidity": "50",
+                    "windspeedKmph": "10",
+                    "pressure": "1013",
+                }
             ]
         }
-        articles = [{"title": "Test", "link": "http://test.com", "pub_date": "Mon, 01 Jan 2026 00:00:00 GMT", "creator": "", "tags": []}]
-        posts = [{"title": "Test", "link": "http://test.com", "pub_date": "Mon, 01 Jan 2026 00:00:00 GMT", "creator": "", "tags": []}]
+        articles = [
+            {
+                "title": "Test",
+                "link": "http://test.com",
+                "pub_date": "Mon, 01 Jan 2026 00:00:00 GMT",
+                "creator": "",
+                "tags": [],
+            }
+        ]
+        posts = [
+            {
+                "title": "Test",
+                "link": "http://test.com",
+                "pub_date": "Mon, 01 Jan 2026 00:00:00 GMT",
+                "creator": "",
+                "tags": [],
+            }
+        ]
 
-        with patch("utils.morning_runner.fetch_weather", new=AsyncMock(return_value=weather_data)), \
-             patch("utils.morning_runner.fetch_rss", new=AsyncMock(side_effect=[articles, posts])), \
-             patch("utils.morning_runner.fetch_cat", new=AsyncMock(return_value="http://cat.jpg")), \
-             patch("utils.morning_runner.discord.Embed"):
+        with (
+            patch(
+                "utils.morning_runner.fetch_weather",
+                new=AsyncMock(return_value=weather_data),
+            ),
+            patch(
+                "utils.morning_runner.fetch_rss",
+                new=AsyncMock(side_effect=[articles, posts]),
+            ),
+            patch(
+                "utils.morning_runner.fetch_cat",
+                new=AsyncMock(return_value="http://cat.jpg"),
+            ),
+            patch("utils.morning_runner.discord.Embed"),
+        ):
             await run_morning(bot, channel)
 
         channel.send.assert_called_once()
@@ -138,25 +176,28 @@ class TestRunMorningWithFallback:
         channel.permissions_for.return_value.send_messages = True
 
         # Все API возвращают None/пусто
-        with patch("utils.morning_runner.fetch_weather", new=AsyncMock(return_value=None)), \
-             patch("utils.morning_runner.fetch_rss", new=AsyncMock(return_value=None)), \
-             patch("utils.morning_runner.fetch_cat", new=AsyncMock(return_value=None)), \
-             patch("utils.morning_runner.discord.Embed") as mock_embed_class:
-            
+        with (
+            patch(
+                "utils.morning_runner.fetch_weather", new=AsyncMock(return_value=None)
+            ),
+            patch("utils.morning_runner.fetch_rss", new=AsyncMock(return_value=None)),
+            patch("utils.morning_runner.fetch_cat", new=AsyncMock(return_value=None)),
+            patch("utils.morning_runner.discord.Embed") as mock_embed_class,
+        ):
             embed_mock = AsyncMock()
             mock_embed_class.return_value = embed_mock
-            
+
             await run_morning(bot, channel)
 
         # Убедимся, что send был вызван
         channel.send.assert_called_once()
         call_args = channel.send.call_args[1]
         assert "embed" in call_args
-        
+
         # Проверяем, что description содержит fallback сообщение
         embed_description = call_args["embed"].description
         assert "Не удалось получить данные из внешних источников" in embed_description
-    
+
     @pytest.mark.asyncio
     async def test_run_morning_only_weather_data(self) -> None:
         """run_morning должен корректно обрабатывать только погоду без новостей."""
@@ -168,20 +209,37 @@ class TestRunMorningWithFallback:
 
         weather_data = {
             "current_condition": [
-                {"temp_C": "20", "FeelsLikeC": "22", "weatherDesc": [{"value": "Clear"}], "humidity": "50", "windspeedKmph": "10", "pressure": "1013"}
+                {
+                    "temp_C": "20",
+                    "FeelsLikeC": "22",
+                    "weatherDesc": [{"value": "Clear"}],
+                    "humidity": "50",
+                    "windspeedKmph": "10",
+                    "pressure": "1013",
+                }
             ]
         }
 
-        with patch("utils.morning_runner.fetch_weather", new=AsyncMock(return_value=weather_data)), \
-             patch("utils.morning_runner.fetch_rss", new=AsyncMock(side_effect=[None, None])), \
-             patch("utils.morning_runner.fetch_cat", new=AsyncMock(return_value=None)):
+        with (
+            patch(
+                "utils.morning_runner.fetch_weather",
+                new=AsyncMock(return_value=weather_data),
+            ),
+            patch(
+                "utils.morning_runner.fetch_rss",
+                new=AsyncMock(side_effect=[None, None]),
+            ),
+            patch("utils.morning_runner.fetch_cat", new=AsyncMock(return_value=None)),
+        ):
             await run_morning(bot, channel)
 
         channel.send.assert_called_once()
         call_args = channel.send.call_args[1]
         assert "embed" in call_args
-        
+
         # Проверяем, что в embed есть только погода и нет fallback сообщения
         embed_description = call_args["embed"].description
         assert "Погода в Магнитогорске" in embed_description
-        assert "Не удалось получить данные из внешних источников" not in embed_description
+        assert (
+            "Не удалось получить данные из внешних источников" not in embed_description
+        )
diff --git a/tests/test_pogoda.py b/tests/test_pogoda.py
index 7a1b146..d6486ab 100644
--- a/tests/test_pogoda.py
+++ b/tests/test_pogoda.py
@@ -1,5 +1,10 @@
 import pytest
-from utils.pogoda import translate_weather, pressure_to_mmhg, wmo_to_russian, format_weather_data_for_console
+from utils.pogoda import (
+    translate_weather,
+    pressure_to_mmhg,
+    wmo_to_russian,
+    format_weather_data_for_console,
+)
 
 
 class TestFormatWeatherDataForConsole:
@@ -8,14 +13,16 @@ class TestFormatWeatherDataForConsole:
     def test_format_valid_data(self) -> None:
         """Полные данные должны быть отформатированы корректно."""
         data = {
-            "current_condition": [{
-                "temp_C": "25",
-                "FeelsLikeC": "26",
-                "weatherDesc": [{"value": "Clear"}],
-                "humidity": "45",
-                "windspeedKmph": "10",
-                "pressure": "1013",
-            }]
+            "current_condition": [
+                {
+                    "temp_C": "25",
+                    "FeelsLikeC": "26",
+                    "weatherDesc": [{"value": "Clear"}],
+                    "humidity": "45",
+                    "windspeedKmph": "10",
+                    "pressure": "1013",
+                }
+            ]
         }
 
         result = format_weather_data_for_console(data)
@@ -30,9 +37,7 @@ class TestFormatWeatherDataForConsole:
 
     def test_format_empty_data(self) -> None:
         """Пустые данные должны возвращать None."""
-        data = {
-            "current_condition": [{}]
-        }
+        data = {"current_condition": [{}]}
 
         result = format_weather_data_for_console(data)
 
@@ -49,14 +54,16 @@ class TestFormatWeatherDataForConsole:
     def test_format_with_dashes(self) -> None:
         """Неизвестные значения должны отображаться как '—'."""
         data = {
-            "current_condition": [{
-                "temp_C": "—",
-                "FeelsLikeC": "—",
-                "weatherDesc": [{"value": "—"}],
-                "humidity": "—",
-                "windspeedKmph": "—",
-                "pressure": "—",
-            }]
+            "current_condition": [
+                {
+                    "temp_C": "—",
+                    "FeelsLikeC": "—",
+                    "weatherDesc": [{"value": "—"}],
+                    "humidity": "—",
+                    "windspeedKmph": "—",
+                    "pressure": "—",
+                }
+            ]
         }
 
         result = format_weather_data_for_console(data)
@@ -71,14 +78,16 @@ class TestFormatWeatherDataForConsole:
     def test_format_wind_conversion(self) -> None:
         """Проверка конвертации ветра из км/ч в м/с."""
         data = {
-            "current_condition": [{
-                "temp_C": "20",
-                "FeelsLikeC": "19",
-                "weatherDesc": [{"value": "Cloudy"}],
-                "humidity": "60",
-                "windspeedKmph": "36",
-                "pressure": "1000",
-            }]
+            "current_condition": [
+                {
+                    "temp_C": "20",
+                    "FeelsLikeC": "19",
+                    "weatherDesc": [{"value": "Cloudy"}],
+                    "humidity": "60",
+                    "windspeedKmph": "36",
+                    "pressure": "1000",
+                }
+            ]
         }
 
         result = format_weather_data_for_console(data)
@@ -88,14 +97,16 @@ class TestFormatWeatherDataForConsole:
     def test_format_negative_temperature(self) -> None:
         """Отрицательная температура должна отображаться корректно."""
         data = {
-            "current_condition": [{
-                "temp_C": "-5",
-                "FeelsLikeC": "-10",
-                "weatherDesc": [{"value": "Snow"}],
-                "humidity": "80",
-                "windspeedKmph": "20",
-                "pressure": "980",
-            }]
+            "current_condition": [
+                {
+                    "temp_C": "-5",
+                    "FeelsLikeC": "-10",
+                    "weatherDesc": [{"value": "Snow"}],
+                    "humidity": "80",
+                    "windspeedKmph": "20",
+                    "pressure": "980",
+                }
+            ]
         }
 
         result = format_weather_data_for_console(data)
@@ -105,7 +116,6 @@ class TestFormatWeatherDataForConsole:
 
 
 class TestTranslateWeather:
-
     @pytest.mark.parametrize(
         "english, expected",
         [
@@ -121,7 +131,10 @@ class TestTranslateWeather:
             ("Light rain", "Небольшой дождь"),
             ("Moderate rain", "Умеренный дождь"),
             ("Heavy rain", "Сильный дождь"),
-            ("Moderate or heavy rain at times", "Дождь"),  # длинный ключ проверяется первым
+            (
+                "Moderate or heavy rain at times",
+                "Дождь",
+            ),  # длинный ключ проверяется первым
             ("Heavy rain at times", "Сильный дождь"),
             ("Light snow", "Небольшой снег"),
             ("Moderate snow", "Умеренный снег"),
diff --git a/utils/morning_runner.py b/utils/morning_runner.py
index 46afb41..63fc5a1 100644
--- a/utils/morning_runner.py
+++ b/utils/morning_runner.py
@@ -30,6 +30,7 @@ logger = logging.getLogger(__name__)
 @dataclass
 class MorningData:
     """Собранные данные для утреннего дайджеста."""
+
     weather: Optional[dict]
     articles: Optional[list]
     posts: Optional[list]
@@ -81,9 +82,11 @@ async def run_morning(bot: "commands.Bot", channel: discord.TextChannel) -> None
         if data.articles is not None:
             if data.articles:
                 has_real_data = True
-                lines = format_articles(data.articles,
-                                        "Лучшие статьи за сутки / Искусственный интеллект / Хабr",
-                                        "https://habr.com/ru/hubs/artificial_intelligence/articles/top/daily/")
+                lines = format_articles(
+                    data.articles,
+                    "Лучшие статьи за сутки / Искусственный интеллект / Хабr",
+                    "https://habr.com/ru/hubs/artificial_intelligence/articles/top/daily/",
+                )
                 description_lines.append("\n".join(lines))
             else:
                 description_lines.append("Новостей пока нет.")
@@ -96,9 +99,11 @@ async def run_morning(bot: "commands.Bot", channel: discord.TextChannel) -> None
         if data.posts is not None:
             if data.posts:
                 has_real_data = True
-                lines = format_articles(data.posts,
-                                        "Лучшие новости за сутки / Искусственный интеллект / Хабr",
-                                        "https://habr.com/ru/hubs/artificial_intelligence/news/top/daily/")
+                lines = format_articles(
+                    data.posts,
+                    "Лучшие новости за сутки / Искусственный интеллект / Хабr",
+                    "https://habr.com/ru/hubs/artificial_intelligence/news/top/daily/",
+                )
                 description_lines.append("\n".join(lines))
             else:
                 description_lines.append("Новостей пока нет.")
@@ -109,7 +114,7 @@ async def run_morning(bot: "commands.Bot", channel: discord.TextChannel) -> None
         if not has_real_data:
             description_lines = [
                 "Не удалось получить данные из внешних источников.",
-                "Проверьте доступность API и повторите попытку позже."
+                "Проверьте доступность API и повторите попытку позже.",
             ]
 
         description = "\n".join(description_lines)
@@ -144,7 +149,9 @@ class Scheduler:
             try:
                 self._target_channel_id = int(channel_id_str)
             except ValueError:
-                logger.warning("Неверное значение MORNING_CHANNEL_ID: %s", channel_id_str)
+                logger.warning(
+                    "Неверное значение MORNING_CHANNEL_ID: %s", channel_id_str
+                )
         self._task: asyncio.Task | None = None
         self._running = False
         self._start_scheduler()
@@ -229,10 +236,14 @@ class Scheduler:
                         await run_morning(self.bot, channel)
                         return
                     except Exception as e:
-                        logger.error("Ошибка отправки в канал %s: %s", self._target_channel_id, e)
+                        logger.error(
+                            "Ошибка отправки в канал %s: %s", self._target_channel_id, e
+                        )
                         return
             else:
-                logger.warning("Канал с ID %s не текстовый — fallback", self._target_channel_id)
+                logger.warning(
+                    "Канал с ID %s не текстовый — fallback", self._target_channel_id
+                )
 
         # Fallback: первый канал с правами send_messages
         sent = False
diff --git a/utils/news.py b/utils/news.py
index b937a22..8177d43 100644
--- a/utils/news.py
+++ b/utils/news.py
@@ -9,8 +9,12 @@ from utils.rate_limiter import habr_rss_limiter
 
 logger = logging.getLogger(__name__)
 
-RSS_URL_ARTICLES = "https://habr.com/ru/rss/hubs/artificial_intelligence/articles/top/daily/?fl=ru"
-RSS_URL_POSTS = "https://habr.com/ru/rss/hubs/artificial_intelligence/news/top/daily/?fl=ru"
+RSS_URL_ARTICLES = (
+    "https://habr.com/ru/rss/hubs/artificial_intelligence/articles/top/daily/?fl=ru"
+)
+RSS_URL_POSTS = (
+    "https://habr.com/ru/rss/hubs/artificial_intelligence/news/top/daily/?fl=ru"
+)
 
 _session = requests.Session()
 
@@ -62,13 +66,15 @@ async def fetch_rss(url: str) -> Optional[list[dict]]:
             creator = creator_el.text if creator_el is not None else ""
             tags = [cat.text for cat in categories if cat.text] if categories else []
 
-            articles.append({
-                "title": title,
-                "link": link,
-                "pub_date": pub_date,
-                "creator": creator,
-                "tags": tags,
-            })
+            articles.append(
+                {
+                    "title": title,
+                    "link": link,
+                    "pub_date": pub_date,
+                    "creator": creator,
+                    "tags": tags,
+                }
+            )
         return articles[:10]
     except requests.exceptions.RequestException as e:
         logger.error("Ошибка при получении RSS (%s): %s", url, e)
@@ -98,14 +104,14 @@ def truncate_embed_text(text: str, max_len: int = 4096) -> str:
     """Обрезать текст для embed.description (лимит Discord: 4096 символов)."""
     if len(text) <= max_len:
         return text
-    return text[:max_len - 3] + "..."
+    return text[: max_len - 3] + "..."
 
 
 def truncate_embed_field(text: str, max_len: int = 1024) -> str:
     """Обрезать текст для embed field value (лимит Discord: 1024 символа)."""
     if len(text) <= max_len:
         return text
-    return text[:max_len - 3] + "..."
+    return text[: max_len - 3] + "..."
 
 
 def format_articles(articles: list[dict], title: str, link: str) -> list[str]:
diff --git a/utils/pogoda.py b/utils/pogoda.py
index 9cb1b45..8818f9e 100644
--- a/utils/pogoda.py
+++ b/utils/pogoda.py
@@ -14,7 +14,9 @@ API_URL_WEATHER = "https://wttr.in/Magnitogorsk?format=j1&lang=ru"
 _session = requests.Session()
 
 
-async def fetch_weather(api_url: str, timeout: int = 10, max_retries: int = 3) -> Optional[dict]:
+async def fetch_weather(
+    api_url: str, timeout: int = 10, max_retries: int = 3
+) -> Optional[dict]:
     """Получить данные о погоде с retry."""
     await weather_limiter.acquire()
     for attempt in range(max_retries):
@@ -24,8 +26,10 @@ async def fetch_weather(api_url: str, timeout: int = 10, max_retries: int = 3) -
             return response.json()
         except (SSLError, ConnectionError, Timeout):
             if attempt < max_retries - 1:
-                delay = 2 ** attempt
-                logger.warning("Попытка %d не удалась. Повтор через %d сек...", attempt + 1, delay)
+                delay = 2**attempt
+                logger.warning(
+                    "Попытка %d не удалась. Повтор через %d сек...", attempt + 1, delay
+                )
                 await asyncio.sleep(delay)
                 continue
             break
@@ -37,7 +41,9 @@ async def fetch_weather(api_url: str, timeout: int = 10, max_retries: int = 3) -
     return await fetch_open_meteo()
 
 
-async def fetch_open_meteo(lat: float = 53.4069, lon: float = 58.9797, timeout: int = 10, max_retries: int = 3) -> Optional[dict]:
+async def fetch_open_meteo(
+    lat: float = 53.4069, lon: float = 58.9797, timeout: int = 10, max_retries: int = 3
+) -> Optional[dict]:
     """Fallback на Open-Meteo API."""
     await open_meteo_limiter.acquire()
     url = (
@@ -56,19 +62,23 @@ async def fetch_open_meteo(lat: float = 53.4069, lon: float = 58.9797, timeout:
             weather_code = current.get("weather_code", None)
             desc = wmo_to_russian(weather_code)
             return {
-                "current_condition": [{
-                    "temp_C": current.get("temperature", "—"),
-                    "FeelsLikeC": current.get("apparent_temperature", "—"),
-                    "weatherDesc": [{"value": desc}],
-                    "humidity": current.get("relative_humidity_2m", "—"),
-                    "windspeedKmph": current.get("wind_speed_10m", "—"),
-                    "pressure": current.get("pressure_msl", "—"),
-                }]
+                "current_condition": [
+                    {
+                        "temp_C": current.get("temperature", "—"),
+                        "FeelsLikeC": current.get("apparent_temperature", "—"),
+                        "weatherDesc": [{"value": desc}],
+                        "humidity": current.get("relative_humidity_2m", "—"),
+                        "windspeedKmph": current.get("wind_speed_10m", "—"),
+                        "pressure": current.get("pressure_msl", "—"),
+                    }
+                ]
             }
         except (SSLError, ConnectionError, Timeout):
             if attempt < max_retries - 1:
-                delay = 2 ** attempt
-                logger.warning("Попытка %d не удалась. Повтор через %d сек...", attempt + 1, delay)
+                delay = 2**attempt
+                logger.warning(
+                    "Попытка %d не удалась. Повтор через %d сек...", attempt + 1, delay
+                )
                 await asyncio.sleep(delay)
                 continue
             break
@@ -84,18 +94,33 @@ def wmo_to_russian(code: Optional[int]) -> str:
     """Перевод WMO weather code в русский."""
     mapping = {
         0: "Ясно",
-        1: "Ясно", 2: "Переменная облачность",
+        1: "Ясно",
+        2: "Переменная облачность",
         3: "Пасмурно",
-        45: "Туман", 48: "Туман",
-        51: "Лёгкая морось", 53: "Морось", 55: "Сильная морось",
-        56: "Ледяная морось", 57: "Сильная ледяная морось",
-        61: "Небольшой дождь", 63: "Дождь", 65: "Сильный дождь",
-        66: "Ледяной дождь", 67: "Сильный ледяной дождь",
-        71: "Небольшой снег", 73: "Снег", 75: "Сильный снег",
+        45: "Туман",
+        48: "Туман",
+        51: "Лёгкая морось",
+        53: "Морось",
+        55: "Сильная морось",
+        56: "Ледяная морось",
+        57: "Сильная ледяная морось",
+        61: "Небольшой дождь",
+        63: "Дождь",
+        65: "Сильный дождь",
+        66: "Ледяной дождь",
+        67: "Сильный ледяной дождь",
+        71: "Небольшой снег",
+        73: "Снег",
+        75: "Сильный снег",
         77: "Снежная крупа",
-        80: "Небольшой ливень", 81: "Ливень", 82: "Сильный ливень",
-        85: "Снежный ливень", 86: "Сильный снежный ливень",
-        95: "Гроза", 96: "Гроза с градом", 99: "Сильная гроза с градом",
+        80: "Небольшой ливень",
+        81: "Ливень",
+        82: "Сильный ливень",
+        85: "Снежный ливень",
+        86: "Сильный снежный ливень",
+        95: "Гроза",
+        96: "Гроза с градом",
+        99: "Сильная гроза с градом",
     }
     return mapping.get(code, "Неизвестно")
 
@@ -154,7 +179,7 @@ def translate_weather(en: Optional[str]) -> str:
 def format_weather_data_for_console(data: Optional[dict]) -> Optional[list[str]]:
     """
     Форматировать погодные данные для консольного вывода.
-    
+
     :param data: Ответ от API (dict)
     :return: Строки с отформатированной погодой
     """
@@ -166,10 +191,12 @@ def format_weather_data_for_console(data: Optional[dict]) -> Optional[list[str]]
     current = current_condition_list[0]
     if not current:
         return None
-    
+
     temp = current.get("temp_C", "—")
     feels_like = current.get("FeelsLikeC", "—")
-    description = translate_weather(current.get("weatherDesc", [{}])[0].get("value", "—"))
+    description = translate_weather(
+        current.get("weatherDesc", [{}])[0].get("value", "—")
+    )
     humidity = current.get("humidity", "—")
     wind_kmh = current.get("windspeedKmph", "—")
     try: