flake8 error fixed

app/core/tests/test_admin.py

@@ -0,0 +1,11 @@
+"""
+Test for the Django admin modifications
+"""
+from django.test import TestCase, Client
+from django.contrib.auth import get_user_model
+from django.urls import reverse
+
+
+class AdminSiteTests(TestCase):
+    """Tests for Django admin.."""
+    pass

requirements.txt

@@ -1,3 +1,4 @@
 Django>=3.2.4,<3.3
 djangorestframework>=3.12.4,<3.13
-psycopg2>=2.8.6,<2.9
+psycopg2>=2.8.6,<2.9
+flake8>=3.9.2,<3.10