fix: improve maintenance and synchronize live conversations

backend/tests/repo/test_user_repo.py

@@ -17,7 +17,6 @@ limitations under the License.
 import pytest
 from app.models.user import User
 from app.repositories.user import UserRepository
-from uuid import UUID, uuid4
 from app.models.organization import Organization
 
 @pytest.fixture
@@ -81,13 +80,13 @@ def test_get_users_by_organization(user_repo, test_organization_id):
     """Test retrieving all users for an organization"""
     # Create multiple users
     hashed_password = User.get_password_hash("testpassword")
-    user1 = user_repo.create_user(
+    user_repo.create_user(
         email="user1@example.com",
         hashed_password=hashed_password,
         full_name="User One",
         organization_id=test_organization_id
     )
-    user2 = user_repo.create_user(
+    user_repo.create_user(
         email="user2@example.com",
         hashed_password=hashed_password,
         full_name="User Two",