fixed linting issues

backend/tests/test_todo.py

@@ -1,11 +1,9 @@
-import pytest
 from fastapi import status
 from fastapi.testclient import TestClient
 from sqlalchemy.orm import Session
 from datetime import date
 
 from tests.helpers import generators
-from modules.todo import schemas # Import schemas
 
 # Helper Function
 def _login_user(db: Session, client: TestClient):