Quick flake8 fixes

.flake8

+[flake8]
+ignore = E731,W503
+max-line-length = 120
+exclude = migrations

tests/app/models.py

@@ -2,12 +2,12 @@ from __future__ import unicode_literals
 
 from django.db import models
 from wagtail.core.models import Page
-
 from wagtailvideos.edit_handlers import VideoChooserPanel
 
 
 class TestPage(Page):
-    video_field = models.ForeignKey('wagtailvideos.Video', related_name='+', null=True, blank=True, on_delete=models.SET_NULL)
+    video_field = models.ForeignKey(
+        'wagtailvideos.Video', related_name='+', null=True, blank=True, on_delete=models.SET_NULL)
 
     content_panels = Page.content_panels + [
         VideoChooserPanel('video_field')

tests/app/urls.py

@@ -12,5 +12,6 @@ urlpatterns = [
     url(r'^admin/', include(wagtailadmin_urls)),
     url(r'', include(wagtail_urls)),
     #  For media serving
-    url(r'^%s(?P<path>.*)$' % re.escape(settings.MEDIA_URL.lstrip('/')), serve, kwargs={'document_root': settings.MEDIA_ROOT})
+    url(r'^%s(?P<path>.*)$' % re.escape(
+        settings.MEDIA_URL.lstrip('/')), serve, kwargs={'document_root': settings.MEDIA_ROOT})
 ]

tests/storage.py

@@ -69,8 +69,7 @@ class RemoteStorage(FileSystemStorage):
                 else:
                     # This fun binary flag incantation makes os.open throw an
                     # OSError if the file already exists before we open it.
-                    flags = (os.O_WRONLY | os.O_CREAT | os.O_EXCL |
-                             getattr(os, 'O_BINARY', 0))
+                    flags = (os.O_WRONLY | os.O_CREAT | os.O_EXCL | getattr(os, 'O_BINARY', 0))
                     # The current umask value is masked out by os.open!
                     fd = os.open(full_path, flags, 0o666)
                     _file = None

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.search import index as search_index
 from wagtail.utils.pagination import paginate
-
 from wagtailvideos.forms import get_video_form
 from wagtailvideos.models import Video
 from wagtailvideos.permissions import permission_policy
@@ -40,8 +39,8 @@ def chooser(request):
 
     q = None
     if (
-        'q' in request.GET or 'p' in request.GET or 'tag' in request.GET or
-        'collection_id' in request.GET
+        'q' in request.GET or 'p' in request.GET or 'tag' in request.GET
+        or 'collection_id' in request.GET
     ):
         # this request is triggered from search, pagination or 'popular tags';
         # we will just render the results.html fragment