Django 2.0 compatibility

cosinnus_note/models.py

@@ -5,7 +5,7 @@ from builtins import object
 import re
 
 from django.conf import settings
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _

cosinnus_note/views.py

 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404
 from django.utils.translation import ugettext_lazy as _