django2.2: relpace django.core.urlresolvers by django.urls

core/views/group.py

@@ -29,7 +29,7 @@
 from django.views.generic.edit import UpdateView, CreateView, DeleteView
 from django.views.generic import ListView
 from django.views.generic.edit import FormView
-from django.core.urlresolvers import reverse_lazy
+from django.urls import reverse_lazy
 from django.shortcuts import get_object_or_404
 from django.utils.translation import ugettext_lazy as _
 from django import forms