Sorted all imports with isort.

tests/app/models.py

 from __future__ import unicode_literals
 
 from django.db import models
-from wagtail.core.models import Page
 
+from wagtail.core.models import Page
 from wagtailvideos.edit_handlers import VideoChooserPanel
 
 

tests/app/urls.py

@@ -6,6 +6,7 @@ from django.conf import settings
 from django.conf.urls import include
 from django.urls import path, re_path
 from django.views.static import serve
+
 from wagtail.admin import urls as wagtailadmin_urls
 from wagtail.core import urls as wagtail_urls
 

tests/test_admin_views.py

@@ -8,11 +8,11 @@ from django.core.files.uploadedfile import SimpleUploadedFile
 from django.template.defaultfilters import filesizeformat
 from django.test import TestCase, override_settings
 from django.urls import reverse
+
 from mock import patch
+from tests.utils import create_test_video_file
 from wagtail.core.models import Collection, GroupCollectionPermission
 from wagtail.tests.utils import WagtailTestUtils
-
-from tests.utils import create_test_video_file
 from wagtailvideos.models import Video
 
 

wagtailvideos/forms.py

 from django import forms
 from django.forms.models import modelform_factory
 from django.utils.translation import ugettext as _
+
 from enumchoicefield.forms import EnumField
 from wagtail.admin import widgets
 from wagtail.admin.forms.collections import (
     BaseCollectionMemberForm, collection_member_permission_formset_factory)
-
 from wagtailvideos.fields import WagtailVideoField
 from wagtailvideos.models import MediaFormats, Video, VideoQuality
 from wagtailvideos.permissions import \

wagtailvideos/models.py

@@ -20,13 +20,13 @@ from django.urls import reverse
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.html import mark_safe
 from django.utils.translation import ugettext_lazy as _
+
 from enumchoicefield import ChoiceEnum, EnumChoiceField
 from taggit.managers import TaggableManager
 from wagtail.admin.utils import get_object_usage
 from wagtail.core.models import CollectionMember
 from wagtail.search import index
 from wagtail.search.queryset import SearchableQuerySetMixin
-
 from wagtailvideos import ffmpeg
 
 logger = logging.getLogger(__name__)

wagtailvideos/permissions.py

 from wagtail.core.permission_policies.collections import (
     CollectionOwnershipPermissionPolicy)
-
 from wagtailvideos.models import Video
 
 permission_policy = CollectionOwnershipPermissionPolicy(

wagtailvideos/views/chooser.py

@@ -8,7 +8,6 @@ from wagtail.admin.utils import PermissionPolicyChecker, popular_tags_for_model
 from wagtail.core.models import Collection
 from wagtail.images.views.chooser import get_chooser_js_data
 from wagtail.search import index as search_index
-
 from wagtailvideos.forms import get_video_form
 from wagtailvideos.models import Video
 from wagtailvideos.permissions import permission_policy

wagtailvideos/views/multiple.py

@@ -4,9 +4,9 @@ from django.template.loader import render_to_string
 from django.utils.encoding import force_text
 from django.views.decorators.http import require_POST
 from django.views.decorators.vary import vary_on_headers
+
 from wagtail.admin.utils import PermissionPolicyChecker
 from wagtail.search.backends import get_search_backends
-
 from wagtailvideos.forms import get_video_form
 from wagtailvideos.models import Video
 from wagtailvideos.permissions import permission_policy

wagtailvideos/views/videos.py

@@ -10,7 +10,6 @@ from wagtail.admin.forms.search import SearchForm
 from wagtail.admin.utils import PermissionPolicyChecker, popular_tags_for_model
 from wagtail.core.models import Collection
 from wagtail.search.backends import get_search_backends
-
 from wagtailvideos import ffmpeg
 from wagtailvideos.forms import VideoTranscodeAdminForm, get_video_form
 from wagtailvideos.models import Video

wagtailvideos/wagtail_hooks.py

@@ -2,9 +2,9 @@ from django.conf.urls import include, url
 from django.urls import reverse
 from django.utils.html import format_html
 from django.utils.translation import ugettext_lazy as _
+
 from wagtail.admin.menu import MenuItem
 from wagtail.core import hooks
-
 from wagtailvideos import urls
 from wagtailvideos.forms import GroupVideoPermissionFormSet
 

wagtailvideos/widgets.py

@@ -2,8 +2,8 @@ import json
 
 from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
-from wagtail.admin.widgets import AdminChooser
 
+from wagtail.admin.widgets import AdminChooser
 from wagtailvideos.models import Video