fix linter, fix ci, fix tests

tests/test_server_prometheus.py

@@ -6,12 +6,8 @@ from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 from aiohttp import web
-
-from helper_bot.server_prometheus import (
-    MetricsServer,
-    start_metrics_server,
-    stop_metrics_server,
-)
+from helper_bot.server_prometheus import (MetricsServer, start_metrics_server,
+                                          stop_metrics_server)
 
 
 @pytest.mark.unit
@@ -40,7 +36,9 @@ class TestMetricsServer:
         self, mock_metrics_module
     ):
         """metrics_handler при успехе возвращает 200 и данные метрик."""
-        mock_metrics_module.get_metrics.return_value = b"# TYPE bot_commands_total counter"
+        mock_metrics_module.get_metrics.return_value = (
+            b"# TYPE bot_commands_total counter"
+        )
         server = MetricsServer(host="0.0.0.0", port=8080)
         request = MagicMock(spec=web.Request)
 
@@ -63,9 +61,7 @@ class TestMetricsServer:
         assert "Metrics not available" in response.text
 
     @patch("helper_bot.server_prometheus.metrics")
-    async def test_metrics_handler_on_exception_returns_500(
-        self, mock_metrics_module
-    ):
+    async def test_metrics_handler_on_exception_returns_500(self, mock_metrics_module):
         """metrics_handler при исключении в get_metrics возвращает 500."""
         mock_metrics_module.get_metrics.side_effect = RuntimeError("metrics error")
         server = MetricsServer(host="0.0.0.0", port=8080)
@@ -100,9 +96,7 @@ class TestMetricsServer:
         assert "Metrics not available" in response.text
 
     @patch("helper_bot.server_prometheus.metrics")
-    async def test_health_handler_empty_metrics_returns_503(
-        self, mock_metrics_module
-    ):
+    async def test_health_handler_empty_metrics_returns_503(self, mock_metrics_module):
         """health_handler при пустых метриках возвращает 503."""
         mock_metrics_module.get_metrics.return_value = b""
         server = MetricsServer(host="0.0.0.0", port=8080)
@@ -173,9 +167,7 @@ class TestMetricsServer:
 
     @patch.object(MetricsServer, "start", new_callable=AsyncMock)
     @patch.object(MetricsServer, "stop", new_callable=AsyncMock)
-    async def test_context_manager_enters_and_exits(
-        self, mock_stop, mock_start
-    ):
+    async def test_context_manager_enters_and_exits(self, mock_stop, mock_start):
         """Использование как async context manager вызывает start и stop."""
         mock_start.return_value = None
         server = MetricsServer(host="0.0.0.0", port=8080)
@@ -228,6 +220,7 @@ class TestStartStopMetricsServer:
     ):
         """stop_metrics_server при запущенном сервере останавливает его и обнуляет глобальную переменную."""
         import helper_bot.server_prometheus as mod
+
         mock_instance = MagicMock()
         mock_instance.stop = AsyncMock()
         old_server = mod.metrics_server
@@ -242,6 +235,7 @@ class TestStartStopMetricsServer:
     async def test_stop_metrics_server_when_none_does_not_raise(self):
         """stop_metrics_server при metrics_server=None не падает."""
         import helper_bot.server_prometheus as mod
+
         old_server = mod.metrics_server
         mod.metrics_server = None
         try: