fix: type bug fix (#323)

Author: Gonzom

tests/user_fixture.py

@@ -1,4 +1,4 @@
-from collections import Generator
+from typing import Generator
 
 import pytest
 from sqlalchemy.orm import Session
@@ -10,10 +10,11 @@
 @pytest.fixture
 def user(session: Session) -> Generator[User, None, None]:
     mock_user = create_model(
-        session, User,
-        username='test_username',
-        password='test_password',
-        email='test.email@gmail.com',
+        session,
+        User,
+        username="test_username",
+        password="test_password",
+        email="test.email@gmail.com",
         language_id=1,
     )
     yield mock_user
@@ -23,10 +24,11 @@ def user(session: Session) -> Generator[User, None, None]:
 @pytest.fixture
 def sender(session: Session) -> Generator[User, None, None]:
     mock_user = create_model(
-        session, User,
-        username='sender_username',
-        password='sender_password',
-        email='sender.email@gmail.com',
+        session,
+        User,
+        username="sender_username",
+        password="sender_password",
+        email="sender.email@gmail.com",
         language_id=1,
     )
     yield mock_user