remove unused import

passbook/oauth_client/views/core.py

@@ -4,7 +4,7 @@ from logging import getLogger
 
 from django.conf import settings
 from django.contrib import messages
-from django.contrib.auth import authenticate, login
+from django.contrib.auth import authenticate
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import Http404
 from django.shortcuts import get_object_or_404, redirect, render