working on manual logout: block access token

apps/authentication/exceptions.py

@@ -0,0 +1,9 @@
+from rest_framework.exceptions import APIException
+from django.utils.translation import gettext_lazy as _
+from rest_framework import status
+
+
+class TokenBlackListedException(APIException):
+    status_code = status.HTTP_401_UNAUTHORIZED
+    default_detail = _('unauthorized')
+    default_code = 'unauthorized'