diff --git a/tox.ini b/tox.ini
index 5c0e434..1065542 100644
--- a/tox.ini
+++ b/tox.ini
@@ -33,7 +33,7 @@ deps=
 commands=
     black --check wagtailsharing setup.py
     flake8 wagtailsharing
-    isort --check-only --diff --recursive wagtailsharing
+    isort --check-only --diff wagtailsharing
 
 [flake8]
 ignore=E731,W503,W504
@@ -50,7 +50,6 @@ lines_after_imports=2
 include_trailing_comma=1
 multi_line_output=3
 skip=.tox,migrations
-not_skip=__init__.py
 use_parentheses=1
 known_django=django
 known_future_library=future
diff --git a/wagtailsharing/helpers.py b/wagtailsharing/helpers.py
index 077a46c..582db55 100644
--- a/wagtailsharing/helpers.py
+++ b/wagtailsharing/helpers.py
@@ -1,4 +1,5 @@
 from wagtail.core.models import Site
+
 from wagtailsharing.models import SharingSite
 
 
diff --git a/wagtailsharing/tests/test_helpers.py b/wagtailsharing/tests/test_helpers.py
index 92e17a0..85ac98f 100644
--- a/wagtailsharing/tests/test_helpers.py
+++ b/wagtailsharing/tests/test_helpers.py
@@ -2,6 +2,7 @@
 
 from wagtail.core.models import Site
 from wagtail.tests.testapp.models import SimplePage
+
 from wagtailsharing.helpers import get_sharing_url
 from wagtailsharing.models import SharingSite
 from wagtailsharing.tests.helpers import create_draft_page
diff --git a/wagtailsharing/tests/test_models.py b/wagtailsharing/tests/test_models.py
index b2fb523..7542148 100644
--- a/wagtailsharing/tests/test_models.py
+++ b/wagtailsharing/tests/test_models.py
@@ -2,6 +2,7 @@
 from django.test import RequestFactory, TestCase
 
 from wagtail.core.models import Site
+
 from wagtailsharing.models import SharingSite
 
 
diff --git a/wagtailsharing/tests/test_urls.py b/wagtailsharing/tests/test_urls.py
index d905b44..ca1a75c 100644
--- a/wagtailsharing/tests/test_urls.py
+++ b/wagtailsharing/tests/test_urls.py
@@ -2,9 +2,10 @@
 
 from django.test import TestCase
 
-import wagtail.core.urls as wagtail_core_urls
-import wagtailsharing.urls
 from mock import patch
+from wagtail.core import urls as wagtail_core_urls
+
+import wagtailsharing.urls
 
 
 try:
diff --git a/wagtailsharing/tests/test_views.py b/wagtailsharing/tests/test_views.py
index cd171b8..e75a7e3 100644
--- a/wagtailsharing/tests/test_views.py
+++ b/wagtailsharing/tests/test_views.py
@@ -4,6 +4,7 @@
 from mock import patch
 from wagtail.core.models import Site
 from wagtail.tests.utils import WagtailTestUtils
+
 from wagtailsharing.models import SharingSite
 from wagtailsharing.tests.helpers import (
     create_draft_page,
diff --git a/wagtailsharing/tests/test_wagtail_hooks.py b/wagtailsharing/tests/test_wagtail_hooks.py
index de7eec7..8531042 100644
--- a/wagtailsharing/tests/test_wagtail_hooks.py
+++ b/wagtailsharing/tests/test_wagtail_hooks.py
@@ -4,6 +4,7 @@
 
 from mock import Mock, patch
 from wagtail.tests.testapp.models import SimplePage
+
 from wagtailsharing.wagtail_hooks import add_sharing_banner, add_sharing_link
 
 
diff --git a/wagtailsharing/tests/urls.py b/wagtailsharing/tests/urls.py
index f1d752b..914ab50 100644
--- a/wagtailsharing/tests/urls.py
+++ b/wagtailsharing/tests/urls.py
@@ -1,4 +1,5 @@
 from wagtail.admin import urls as wagtailadmin_urls
+
 from wagtailsharing import urls as wagtailsharing_urls
 
 
diff --git a/wagtailsharing/urls.py b/wagtailsharing/urls.py
index 0539e33..07bddf6 100644
--- a/wagtailsharing/urls.py
+++ b/wagtailsharing/urls.py
@@ -2,6 +2,7 @@
     serve_pattern,
     urlpatterns as wagtailcore_urlpatterns,
 )
+
 from wagtailsharing.views import ServeView
 
 
diff --git a/wagtailsharing/views.py b/wagtailsharing/views.py
index 18d87aa..1d5a4be 100644
--- a/wagtailsharing/views.py
+++ b/wagtailsharing/views.py
@@ -7,6 +7,7 @@
 from wagtail.core import hooks
 from wagtail.core.url_routing import RouteResult
 from wagtail.core.views import serve as wagtail_serve
+
 from wagtailsharing.models import SharingSite
 
 
diff --git a/wagtailsharing/wagtail_hooks.py b/wagtailsharing/wagtail_hooks.py
index 72cc138..bd439fd 100644
--- a/wagtailsharing/wagtail_hooks.py
+++ b/wagtailsharing/wagtail_hooks.py
@@ -8,6 +8,7 @@
 from wagtail.admin import widgets as wagtailadmin_widgets
 from wagtail.contrib.modeladmin.options import ModelAdmin, modeladmin_register
 from wagtail.core import hooks
+
 from wagtailsharing.helpers import get_sharing_url
 from wagtailsharing.models import SharingSite