added TYPE_CHECKING to dependencies.py

python/api/dependencies.py

@@ -1,11 +1,15 @@
 """FastAPI dependencies."""
 
-from collections.abc import Iterator
-from typing import Annotated
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Annotated
 
 from fastapi import Depends, Request
 from sqlalchemy.orm import Session
 
+if TYPE_CHECKING:
+    from collections.abc import Iterator
+
 
 def get_db(request: Request) -> Iterator[Session]:
     """Get database session from app state."""