fix: improve maintenance and synchronize live conversations

backend/tests/core/test_auth.py

@@ -16,7 +16,7 @@ limitations under the License.
 
 import pytest
 from unittest.mock import patch, MagicMock, AsyncMock
-from fastapi import HTTPException, Request, Depends
+from fastapi import HTTPException, Request
 from sqlalchemy.orm import Session
 from uuid import uuid4