refactor: improve code formatting and organization across multiple files

backend/app/repositories/tracks.py

@@ -1,13 +1,14 @@
 from __future__ import annotations
 
+from uuid import UUID
+
 import sqlalchemy as sa
 from geoalchemy2.elements import WKTElement
-from uuid import UUID
 from sqlalchemy.orm import Session
 
 from backend.app.db.models import Track
-from backend.app.repositories.base import BaseRepository
 from backend.app.models import TrackCreate
+from backend.app.repositories.base import BaseRepository
 
 
 class TrackRepository(BaseRepository[Track]):