style: apply ruff formatting to source and test files

app/infrastructure/di/providers.py

@@ -1,6 +1,6 @@
 """Dishka providers for dependency injection."""
 
-from typing import AsyncGenerator
+from collections.abc import AsyncGenerator
 
 from dishka import Provider, Scope, provide
 from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession
@@ -30,7 +30,7 @@ class DatabaseProvider(Provider):
         return engine
 
     @provide(scope=Scope.REQUEST)
-    async def get_session(self) -> AsyncGenerator[AsyncSession, None]:
+    async def get_session(self) -> AsyncGenerator[AsyncSession]:
         """Provide database session per request."""
         async with AsyncSessionLocal() as session:
             try: