fixed broken import chain

cookbook/views/views.py

@@ -10,6 +10,7 @@ from django.core.exceptions import ValidationError
 from django.db.models import Q, Avg
 from django.http import HttpResponseRedirect
 from django.shortcuts import render, get_object_or_404
+from django.urls import reverse
 from django.utils import timezone
 from django.views.decorators.clickjacking import xframe_options_exempt
 from django_tables2 import RequestConfig