[05/11] Remove compat wrapper for Django < 1.11

diff --git a/patchwork/api/bundle.py b/patchwork/api/bundle.py
index b0005daa..7b147e1d 100644
--- a/patchwork/api/bundle.py
+++ b/patchwork/api/bundle.py
@@ -28,7 +28,6 @@  from patchwork.api.filters import BundleFilterSet
 from patchwork.api.embedded import PatchSerializer
 from patchwork.api.embedded import ProjectSerializer
 from patchwork.api.embedded import UserSerializer
-from patchwork.compat import is_authenticated
 from patchwork.models import Bundle
 
 
@@ -67,7 +66,7 @@  class BundleMixin(object):
     serializer_class = BundleSerializer
 
     def get_queryset(self):
-        if is_authenticated(self.request.user):
+        if self.request.user.is_authenticated:
             bundle_filter = Q(owner=self.request.user) | Q(public=True)
         else:
             bundle_filter = Q(public=True)
diff --git a/patchwork/compat.py b/patchwork/compat.py
index e74e9264..9383143c 100644
--- a/patchwork/compat.py
+++ b/patchwork/compat.py
@@ -17,30 +17,11 @@ 
 # along with Patchwork; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-"""Compatibility wrappers for various Django versions."""
+"""Compatibility wrappers for various library versions."""
 
-import django
 from django.conf import settings
 
 
-# DjangoFilterBackend
-#
-# The DjangoFilterBackend was provided in Django REST Framework from 3.0 to
-# 3.4, was marked as pending deprecation in 3.5, was deprecated in 3.6 and will
-# be removed in 3.7. However, the equivalent DjangoFilterBackend found in
-# django-filter is only available since 1.0 of that package.
-#
-# http://www.django-rest-framework.org/topics/3.6-announcement/
-
-if settings.ENABLE_REST_API:
-    import rest_framework  # noqa
-
-    if rest_framework.VERSION >= '3.5':
-        from django_filters.rest_framework import DjangoFilterBackend  # noqa
-    else:
-        from rest_framework.filters import DjangoFilterBackend  # noqa
-
-
 # NAME_FIELD
 #
 # The django-filter library renamed 'Filter.name' to 'Filter.field_name' in
@@ -56,32 +37,3 @@  if settings.ENABLE_REST_API:
         NAME_FIELD = 'field_name'
     else:
         NAME_FIELD = 'name'
-
-
-# reverse, reverse_lazy
-#
-# The reverse and reverse_lazy functions have been moved to django.urls in
-# Django 1.10 and backwards compatible imports will be removed in Django 2.0
-
-if django.VERSION >= (1, 10):
-    from django.urls import NoReverseMatch  # noqa
-    from django.urls import reverse  # noqa
-    from django.urls import reverse_lazy  # noqa
-else:
-    from django.core.urlresolvers import NoReverseMatch  # noqa
-    from django.core.urlresolvers import reverse  # noqa
-    from django.core.urlresolvers import reverse_lazy  # noqa
-
-
-# is_authenticated
-#
-# models.User.is_authenticated is now an attribute in Django 1.10 instead of a
-# function
-#
-# https://docs.djangoproject.com/en/dev/releases/1.10/
-
-def is_authenticated(user):
-    if django.VERSION >= (1, 10):
-        return user.is_authenticated
-    else:
-        return user.is_authenticated()
diff --git a/patchwork/models.py b/patchwork/models.py
index 71a07c94..0409d4bf 100644
--- a/patchwork/models.py
+++ b/patchwork/models.py
@@ -30,11 +30,10 @@  from django.conf import settings
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
 from django.db import models
+from django.urls import reverse
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.functional import cached_property
 
-from patchwork.compat import is_authenticated
-from patchwork.compat import reverse
 from patchwork.fields import HashField
 from patchwork.hasher import hash_diff
 
@@ -101,7 +100,7 @@  class Project(models.Model):
     use_tags = models.BooleanField(default=True)
 
     def is_editable(self, user):
-        if not is_authenticated(user):
+        if not user.is_authenticated:
             return False
         return self in user.profile.maintainer_projects.all()
 
@@ -481,7 +480,7 @@  class Patch(SeriesMixin, Submission):
         self.refresh_tag_counts()
 
     def is_editable(self, user):
-        if not is_authenticated(user):
+        if not user.is_authenticated:
             return False
 
         if user in [self.submitter.user, self.delegate]:
diff --git a/patchwork/paginator.py b/patchwork/paginator.py
index 359ec867..f565c420 100644
--- a/patchwork/paginator.py
+++ b/patchwork/paginator.py
@@ -22,8 +22,6 @@  from __future__ import absolute_import
 from django.conf import settings
 from django.core import paginator
 
-from patchwork.compat import is_authenticated
-
 
 DEFAULT_ITEMS_PER_PAGE = 100
 LONG_PAGE_THRESHOLD = 30
@@ -44,7 +42,7 @@  class Paginator(paginator.Paginator):
 
         items_per_page = settings.DEFAULT_ITEMS_PER_PAGE
 
-        if is_authenticated(request.user):
+        if request.user.is_authenticated:
             items_per_page = request.user.profile.items_per_page
 
         super(Paginator, self).__init__(objects, items_per_page)
diff --git a/patchwork/settings/base.py b/patchwork/settings/base.py
index f96f3694..99eb3c06 100644
--- a/patchwork/settings/base.py
+++ b/patchwork/settings/base.py
@@ -128,7 +128,7 @@  REST_FRAMEWORK = {
         'rest_framework.versioning.URLPathVersioning',
     'DEFAULT_PAGINATION_CLASS': 'patchwork.api.base.LinkHeaderPagination',
     'DEFAULT_FILTER_BACKENDS': (
-        'patchwork.compat.DjangoFilterBackend',
+        'django_filters.rest_framework.DjangoFilterBackend',
         'rest_framework.filters.SearchFilter',
         'rest_framework.filters.OrderingFilter',
     ),
diff --git a/patchwork/templatetags/listurl.py b/patchwork/templatetags/listurl.py
index 6b9106e9..76dae797 100644
--- a/patchwork/templatetags/listurl.py
+++ b/patchwork/templatetags/listurl.py
@@ -21,11 +21,11 @@  from __future__ import absolute_import
 
 from django.conf import settings
 from django import template
+from django.urls import reverse
+from django.urls import NoReverseMatch
 from django.utils.encoding import smart_str
 from django.utils.html import escape
 
-from patchwork.compat import reverse
-from patchwork.compat import NoReverseMatch
 from patchwork.filters import filterclasses
 
 
diff --git a/patchwork/templatetags/person.py b/patchwork/templatetags/person.py
index a6f23e91..09c8d103 100644
--- a/patchwork/templatetags/person.py
+++ b/patchwork/templatetags/person.py
@@ -20,10 +20,10 @@ 
 from __future__ import absolute_import
 
 from django import template
+from django.urls import reverse
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
 
-from patchwork.compat import reverse
 from patchwork.filters import SubmitterFilter
 
 
diff --git a/patchwork/tests/api/test_bundle.py b/patchwork/tests/api/test_bundle.py
index 7c48d344..e0dd8098 100644
--- a/patchwork/tests/api/test_bundle.py
+++ b/patchwork/tests/api/test_bundle.py
@@ -20,8 +20,8 @@ 
 import unittest
 
 from django.conf import settings
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_bundle
 from patchwork.tests.utils import create_maintainer
 from patchwork.tests.utils import create_project
diff --git a/patchwork/tests/api/test_check.py b/patchwork/tests/api/test_check.py
index 0e7e0cfc..6f4aa5de 100644
--- a/patchwork/tests/api/test_check.py
+++ b/patchwork/tests/api/test_check.py
@@ -20,8 +20,8 @@ 
 import unittest
 
 from django.conf import settings
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import Check
 from patchwork.tests.utils import create_check
 from patchwork.tests.utils import create_patch
diff --git a/patchwork/tests/api/test_comment.py b/patchwork/tests/api/test_comment.py
index f79ea469..f82c881a 100644
--- a/patchwork/tests/api/test_comment.py
+++ b/patchwork/tests/api/test_comment.py
@@ -20,9 +20,9 @@ 
 import unittest
 
 from django.conf import settings
+from django.urls import NoReverseMatch
+from django.urls import reverse
 
-from patchwork.compat import NoReverseMatch
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_comment
 from patchwork.tests.utils import create_cover
 from patchwork.tests.utils import create_patch
diff --git a/patchwork/tests/api/test_cover.py b/patchwork/tests/api/test_cover.py
index e4d814e4..5061d651 100644
--- a/patchwork/tests/api/test_cover.py
+++ b/patchwork/tests/api/test_cover.py
@@ -21,8 +21,8 @@  import email.parser
 import unittest
 
 from django.conf import settings
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_cover
 from patchwork.tests.utils import create_maintainer
 from patchwork.tests.utils import create_person
diff --git a/patchwork/tests/api/test_patch.py b/patchwork/tests/api/test_patch.py
index 27b99248..104f7c8a 100644
--- a/patchwork/tests/api/test_patch.py
+++ b/patchwork/tests/api/test_patch.py
@@ -22,8 +22,8 @@  from email.utils import make_msgid
 import unittest
 
 from django.conf import settings
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import Patch
 from patchwork.tests.utils import create_maintainer
 from patchwork.tests.utils import create_patch
diff --git a/patchwork/tests/api/test_person.py b/patchwork/tests/api/test_person.py
index 22b12813..688a00e9 100644
--- a/patchwork/tests/api/test_person.py
+++ b/patchwork/tests/api/test_person.py
@@ -20,8 +20,8 @@ 
 import unittest
 
 from django.conf import settings
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_maintainer
 from patchwork.tests.utils import create_person
 from patchwork.tests.utils import create_user
diff --git a/patchwork/tests/api/test_project.py b/patchwork/tests/api/test_project.py
index 129cedb7..6c5c9c6d 100644
--- a/patchwork/tests/api/test_project.py
+++ b/patchwork/tests/api/test_project.py
@@ -20,8 +20,8 @@ 
 import unittest
 
 from django.conf import settings
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import Project
 from patchwork.tests.utils import create_maintainer
 from patchwork.tests.utils import create_project
diff --git a/patchwork/tests/api/test_series.py b/patchwork/tests/api/test_series.py
index 11324bc3..13872575 100644
--- a/patchwork/tests/api/test_series.py
+++ b/patchwork/tests/api/test_series.py
@@ -20,8 +20,8 @@ 
 import unittest
 
 from django.conf import settings
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_cover
 from patchwork.tests.utils import create_maintainer
 from patchwork.tests.utils import create_project
diff --git a/patchwork/tests/api/test_user.py b/patchwork/tests/api/test_user.py
index 873312df..4b4171ea 100644
--- a/patchwork/tests/api/test_user.py
+++ b/patchwork/tests/api/test_user.py
@@ -20,8 +20,8 @@ 
 import unittest
 
 from django.conf import settings
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_maintainer
 from patchwork.tests.utils import create_user
 
diff --git a/patchwork/tests/test_about.py b/patchwork/tests/test_about.py
index f4059682..956d0324 100644
--- a/patchwork/tests/test_about.py
+++ b/patchwork/tests/test_about.py
@@ -18,8 +18,7 @@ 
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 from django.test import TestCase
-
-from patchwork.compat import reverse
+from django.urls import reverse
 
 
 class AboutViewTest(TestCase):
diff --git a/patchwork/tests/test_bundles.py b/patchwork/tests/test_bundles.py
index 4461e32f..3fa556b0 100644
--- a/patchwork/tests/test_bundles.py
+++ b/patchwork/tests/test_bundles.py
@@ -25,12 +25,12 @@  import unittest
 
 from django.conf import settings
 from django.test import TestCase
+from django.urls import reverse
 from django.utils.http import urlencode
 from django.utils import six
 from django.utils.six.moves import range
 from django.utils.six.moves import zip
 
-from patchwork.compat import reverse
 from patchwork.models import Bundle
 from patchwork.models import BundlePatch
 from patchwork.tests.utils import create_bundle
diff --git a/patchwork/tests/test_completion.py b/patchwork/tests/test_completion.py
index 8297e571..8e769d4b 100644
--- a/patchwork/tests/test_completion.py
+++ b/patchwork/tests/test_completion.py
@@ -22,9 +22,9 @@  from __future__ import absolute_import
 import json
 
 from django.test import TestCase
+from django.urls import reverse
 from django.utils.six.moves import range
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_person
 
 
diff --git a/patchwork/tests/test_confirm.py b/patchwork/tests/test_confirm.py
index ed264313..7d805300 100644
--- a/patchwork/tests/test_confirm.py
+++ b/patchwork/tests/test_confirm.py
@@ -18,8 +18,8 @@ 
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import EmailConfirmation
 from patchwork.tests.utils import create_user
 
diff --git a/patchwork/tests/test_detail.py b/patchwork/tests/test_detail.py
index 5d8534ea..f119da05 100644
--- a/patchwork/tests/test_detail.py
+++ b/patchwork/tests/test_detail.py
@@ -20,8 +20,8 @@ 
 from __future__ import absolute_import
 
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_comment
 from patchwork.tests.utils import create_cover
 from patchwork.tests.utils import create_patch
diff --git a/patchwork/tests/test_encodings.py b/patchwork/tests/test_encodings.py
index 794d67ac..5a56d4b1 100644
--- a/patchwork/tests/test_encodings.py
+++ b/patchwork/tests/test_encodings.py
@@ -18,8 +18,8 @@ 
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_person
 from patchwork.tests.utils import create_patch
 from patchwork.tests.utils import read_patch
diff --git a/patchwork/tests/test_filters.py b/patchwork/tests/test_filters.py
index 23cf0ff0..44180f90 100644
--- a/patchwork/tests/test_filters.py
+++ b/patchwork/tests/test_filters.py
@@ -18,8 +18,8 @@ 
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_project
 
 
diff --git a/patchwork/tests/test_list.py b/patchwork/tests/test_list.py
index 2a023ac6..867d77f6 100644
--- a/patchwork/tests/test_list.py
+++ b/patchwork/tests/test_list.py
@@ -23,9 +23,9 @@  from datetime import datetime as dt
 import re
 
 from django.test import TestCase
+from django.urls import reverse
 from django.utils.six.moves import zip
 
-from patchwork.compat import reverse
 from patchwork.models import Patch
 from patchwork.tests.utils import create_patch
 from patchwork.tests.utils import create_person
diff --git a/patchwork/tests/test_mail_settings.py b/patchwork/tests/test_mail_settings.py
index d38149d8..a6f49645 100644
--- a/patchwork/tests/test_mail_settings.py
+++ b/patchwork/tests/test_mail_settings.py
@@ -21,8 +21,8 @@  import re
 
 from django.core import mail
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import EmailOptout
 from patchwork.models import EmailConfirmation
 from patchwork.tests.utils import create_person
diff --git a/patchwork/tests/test_mboxviews.py b/patchwork/tests/test_mboxviews.py
index 8eb3581a..b7af746b 100644
--- a/patchwork/tests/test_mboxviews.py
+++ b/patchwork/tests/test_mboxviews.py
@@ -25,8 +25,8 @@  import dateutil.tz
 import email
 
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_comment
 from patchwork.tests.utils import create_patch
 from patchwork.tests.utils import create_project
diff --git a/patchwork/tests/test_paginator.py b/patchwork/tests/test_paginator.py
index b2191bbb..2f2b6e13 100644
--- a/patchwork/tests/test_paginator.py
+++ b/patchwork/tests/test_paginator.py
@@ -18,8 +18,8 @@ 
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests.utils import create_patches
 from patchwork.tests.utils import create_project
 from patchwork.tests.utils import create_user
diff --git a/patchwork/tests/test_projects.py b/patchwork/tests/test_projects.py
index 804bdda2..67ac1250 100644
--- a/patchwork/tests/test_projects.py
+++ b/patchwork/tests/test_projects.py
@@ -18,8 +18,8 @@ 
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.tests import utils
 
 
diff --git a/patchwork/tests/test_registration.py b/patchwork/tests/test_registration.py
index 28581eb5..2158dcf5 100644
--- a/patchwork/tests/test_registration.py
+++ b/patchwork/tests/test_registration.py
@@ -21,8 +21,8 @@  from django.contrib.auth.models import User
 from django.core import mail
 from django.test.client import Client
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import EmailConfirmation, Person
 from patchwork.tests.utils import create_user
 
diff --git a/patchwork/tests/test_updates.py b/patchwork/tests/test_updates.py
index 80367f45..89f2091a 100644
--- a/patchwork/tests/test_updates.py
+++ b/patchwork/tests/test_updates.py
@@ -18,8 +18,8 @@ 
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import Patch
 from patchwork.models import State
 from patchwork.tests.utils import create_patches
diff --git a/patchwork/tests/test_user.py b/patchwork/tests/test_user.py
index 6dd41e1f..05fe6d5e 100644
--- a/patchwork/tests/test_user.py
+++ b/patchwork/tests/test_user.py
@@ -20,8 +20,8 @@ 
 from django.contrib.auth.models import User
 from django.core import mail
 from django.test import TestCase
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import EmailConfirmation
 from patchwork.models import Person
 from patchwork.models import UserProfile
diff --git a/patchwork/tests/test_xmlrpc.py b/patchwork/tests/test_xmlrpc.py
index 8edc07ac..a31cdde0 100644
--- a/patchwork/tests/test_xmlrpc.py
+++ b/patchwork/tests/test_xmlrpc.py
@@ -21,9 +21,9 @@  import unittest
 
 from django.conf import settings
 from django.test import LiveServerTestCase
+from django.urls import reverse
 from django.utils.six.moves import xmlrpc_client
 
-from patchwork.compat import reverse
 from patchwork.tests import utils
 
 
diff --git a/patchwork/urls.py b/patchwork/urls.py
index e90de6b2..6b1ef511 100644
--- a/patchwork/urls.py
+++ b/patchwork/urls.py
@@ -22,8 +22,8 @@  from django.conf import settings
 from django.conf.urls import url, include
 from django.contrib import admin
 from django.contrib.auth import views as auth_views
+from django.urls import reverse_lazy
 
-from patchwork.compat import reverse_lazy
 from patchwork.views import about as about_views
 from patchwork.views import api as api_views
 from patchwork.views import bundle as bundle_views
diff --git a/patchwork/views/__init__.py b/patchwork/views/__init__.py
index f8d23a38..a30b3a61 100644
--- a/patchwork/views/__init__.py
+++ b/patchwork/views/__init__.py
@@ -20,7 +20,6 @@ 
 from django.contrib import messages
 from django.shortcuts import get_object_or_404
 
-from patchwork.compat import is_authenticated
 from patchwork.filters import Filters
 from patchwork.forms import MultiplePatchForm
 from patchwork.models import Bundle
@@ -230,7 +229,7 @@  def generic_list(request, project, view, view_args=None, filter_settings=None,
     user = request.user
     properties_form = None
 
-    if is_authenticated(user):
+    if user.is_authenticated:
         # we only pass the post data to the MultiplePatchForm if that was
         # the actual form submitted
         data_tmp = None
diff --git a/patchwork/views/about.py b/patchwork/views/about.py
index 24a0845e..508dec37 100644
--- a/patchwork/views/about.py
+++ b/patchwork/views/about.py
@@ -21,8 +21,7 @@ 
 from django.conf import settings
 from django.http import HttpResponsePermanentRedirect
 from django.shortcuts import render
-
-from patchwork.compat import reverse
+from django.urls import reverse
 
 
 def about(request):
diff --git a/patchwork/views/bundle.py b/patchwork/views/bundle.py
index 5aa63fba..714062c3 100644
--- a/patchwork/views/bundle.py
+++ b/patchwork/views/bundle.py
@@ -24,8 +24,8 @@  from django.http import HttpResponseRedirect
 from django.http import HttpResponseNotFound
 from django.shortcuts import get_object_or_404
 from django.shortcuts import render
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.filters import DelegateFilter
 from patchwork.forms import BundleForm
 from patchwork.forms import DeleteBundleForm
diff --git a/patchwork/views/comment.py b/patchwork/views/comment.py
index 987f76c5..c9763227 100644
--- a/patchwork/views/comment.py
+++ b/patchwork/views/comment.py
@@ -19,8 +19,8 @@ 
 
 from django import http
 from django import shortcuts
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork import models
 
 
diff --git a/patchwork/views/cover.py b/patchwork/views/cover.py
index 73f83cb9..f18a262f 100644
--- a/patchwork/views/cover.py
+++ b/patchwork/views/cover.py
@@ -22,8 +22,8 @@  from django.http import HttpResponse
 from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404
 from django.shortcuts import render_to_response
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import CoverLetter
 from patchwork.models import Submission
 from patchwork.views.utils import cover_to_mbox
diff --git a/patchwork/views/mail.py b/patchwork/views/mail.py
index 8afd83b3..aca7ab15 100644
--- a/patchwork/views/mail.py
+++ b/patchwork/views/mail.py
@@ -24,8 +24,8 @@  from django.core.mail import send_mail
 from django.http import HttpResponseRedirect
 from django.shortcuts import render
 from django.template.loader import render_to_string
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.forms import EmailForm
 from patchwork.models import EmailConfirmation
 from patchwork.models import EmailOptout
diff --git a/patchwork/views/patch.py b/patchwork/views/patch.py
index cbd4ec39..6921882e 100644
--- a/patchwork/views/patch.py
+++ b/patchwork/views/patch.py
@@ -24,9 +24,8 @@  from django.http import HttpResponseForbidden
 from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404
 from django.shortcuts import render
+from django.urls import reverse
 
-from patchwork.compat import reverse
-from patchwork.compat import is_authenticated
 from patchwork.forms import CreateBundleForm
 from patchwork.forms import PatchForm
 from patchwork.models import Bundle
@@ -43,7 +42,7 @@  def patch_list(request, project_id):
     context = generic_list(request, project, 'patch-list',
                            view_args={'project_id': project.linkname})
 
-    if is_authenticated(request.user):
+    if request.user.is_authenticated:
         context['bundles'] = request.user.bundles.all()
 
     return render(request, 'patchwork/list.html', context)
@@ -70,7 +69,7 @@  def patch_detail(request, patch_id):
 
     if editable:
         form = PatchForm(instance=patch)
-    if is_authenticated(request.user):
+    if request.user.is_authenticated:
         createbundleform = CreateBundleForm()
 
     if request.method == 'POST':
@@ -111,7 +110,7 @@  def patch_detail(request, patch_id):
                 form.save()
                 messages.success(request, 'Patch updated')
 
-    if is_authenticated(request.user):
+    if request.user.is_authenticated:
         context['bundles'] = request.user.bundles.all()
 
     context['submission'] = patch
diff --git a/patchwork/views/project.py b/patchwork/views/project.py
index 484455c0..a2e5b2da 100644
--- a/patchwork/views/project.py
+++ b/patchwork/views/project.py
@@ -22,8 +22,8 @@  from django.contrib.auth.models import User
 from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404
 from django.shortcuts import render
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.models import Patch
 from patchwork.models import Project
 
diff --git a/patchwork/views/user.py b/patchwork/views/user.py
index 4a4958ab..8dcb407b 100644
--- a/patchwork/views/user.py
+++ b/patchwork/views/user.py
@@ -28,8 +28,8 @@  from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404
 from django.shortcuts import render
 from django.template.loader import render_to_string
+from django.urls import reverse
 
-from patchwork.compat import reverse
 from patchwork.filters import DelegateFilter
 from patchwork.forms import EmailForm
 from patchwork.forms import RegistrationForm
diff --git a/patchwork/views/xmlrpc.py b/patchwork/views/xmlrpc.py
index 93f6035e..b02a65b6 100644
--- a/patchwork/views/xmlrpc.py
+++ b/patchwork/views/xmlrpc.py
@@ -35,11 +35,11 @@  from django.http import HttpResponse
 from django.http import HttpResponseRedirect
 from django.http import HttpResponseServerError
 from django.views.decorators.csrf import csrf_exempt
+from django.urls import reverse
 from django.utils import six
 from django.utils.six.moves import xmlrpc_client
 from django.utils.six.moves.xmlrpc_server import SimpleXMLRPCDispatcher
 
-from patchwork.compat import reverse
 from patchwork.models import Check
 from patchwork.models import Patch
 from patchwork.models import Person