fix: Add missing commas in function calls and improve code formatting

app/api/v1/playlists.py

@@ -8,6 +8,7 @@ from sqlmodel.ext.asyncio.session import AsyncSession
 from app.core.database import get_db
 from app.core.dependencies import get_current_active_user_flexible
 from app.models.user import User
+from app.repositories.playlist import PlaylistSortField, SortOrder
 from app.schemas.common import MessageResponse
 from app.schemas.playlist import (
     PlaylistAddSoundRequest,
@@ -19,7 +20,6 @@ from app.schemas.playlist import (
     PlaylistUpdateRequest,
 )
 from app.services.playlist import PlaylistService
-from app.repositories.playlist import PlaylistSortField, SortOrder
 
 router = APIRouter(prefix="/playlists", tags=["playlists"])