apply docs review comments

api/tests/test_api_client_controller.py

@@ -1,5 +1,6 @@
+from typing import TYPE_CHECKING
+
 import pytest
-from django.test import Client
 from django.urls import reverse
 from model_bakery import baker
 
@@ -7,6 +8,9 @@ from api.hashers import generate_key
 from api.models import ApiClient, ApiKey
 from api.schemas import ApiClientSchema
 
+if TYPE_CHECKING:
+    from django.test import Client
+
 
 @pytest.mark.django_db
 def test_api_client_controller(client: Client):