Clean up W291 errors

wagtail/contrib/wagtailfrontendcache/utils.py

@@ -54,7 +54,7 @@ def get_backends(backend_settings=None, backends=None):
     return backend_objects
 
 
-def purge_url_from_cache(url, backend_settings=None, backends=None): 
+def purge_url_from_cache(url, backend_settings=None, backends=None):
     for backend_name, backend in get_backends(backend_settings=backend_settings, backends=backends).items():
         logger.info("[%s] Purging URL: %s", backend_name, url)
         backend.purge(url)

wagtail/wagtailadmin/edit_handlers.py

@@ -729,7 +729,7 @@ class BaseStreamFieldPanel(BaseFieldPanel):
         classes.append("stream-field")
 
         # BaseFieldPanel is essentially for single fields, which are rendered on the front end
-        # with the assumption that the label (singular) will always be promoted to the full-width 
+        # with the assumption that the label (singular) will always be promoted to the full-width
         # divider bar thing.
         # This results in all the other labels being promoted similarly, so it's better not to
         # treat this as a single field, and remove the "single-field" class.

wagtail/wagtailadmin/templatetags/wagtailadmin_tags.py

@@ -70,7 +70,7 @@ def widgettype(bound_field):
     except AttributeError:
         try:
             return camelcase_to_underscore(bound_field.widget.__class__.__name__)
-        except AttributeError: 
+        except AttributeError:
             return ""
 
 

wagtail/wagtailadmin/views/account.py

@@ -3,7 +3,7 @@ from django.shortcuts import render, redirect
 from django.contrib import messages
 from django.contrib.auth.forms import SetPasswordForm
 from django.contrib.auth.views import logout as auth_logout, login as auth_login
-from django.utils.translation import ugettext as _ 
+from django.utils.translation import ugettext as _
 from django.views.decorators.debug import sensitive_post_parameters
 from django.views.decorators.cache import never_cache
 

wagtail/wagtailadmin/views/home.py

@@ -36,7 +36,7 @@ class RecentEditsPanel(object):
             """
             select wp.* FROM
                 wagtailcore_pagerevision wp JOIN (
-                    SELECT max(created_at) as max_created_at, page_id FROM wagtailcore_pagerevision group by page_id 
+                    SELECT max(created_at) as max_created_at, page_id FROM wagtailcore_pagerevision group by page_id
                 ) as max_rev on max_rev.max_created_at = wp.created_at and wp.user_id = %s order by wp.created_at desc
             """, [request.user.id])[:5]
     def render(self):

wagtail/wagtaildocs/views/chooser.py

@@ -19,7 +19,7 @@ def get_document_json(document):
     """
 
     return json.dumps({
-        'id': document.id, 
+        'id': document.id,
         'title': document.title,
         'edit_link': reverse('wagtaildocs_edit_document', args=(document.id,)),
     })

wagtail/wagtailimages/tests/test_models.py

@@ -365,7 +365,7 @@ class TestIssue312(TestCase):
         # Now manually duplicate the renditon and check that the database blocks it
         self.assertRaises(
             IntegrityError,
-            Rendition.objects.create, 
+            Rendition.objects.create,
             image=rend1.image,
             filter=rend1.filter,
             width=rend1.width,

wagtail/wagtailimages/views/multiple.py

@@ -62,7 +62,7 @@ def add(request):
         form = ImageForm({
             'title': request.FILES['files[]'].name,
         }, {
-            'file': request.FILES['files[]'], 
+            'file': request.FILES['files[]'],
         })
 
         if form.is_valid():

wagtail/wagtailsearch/forms.py

@@ -7,10 +7,10 @@ from wagtail.wagtailsearch import models
 
 
 class QueryForm(forms.Form):
-    query_string = forms.CharField(label=_('Search term(s)/phrase'), 
-        help_text=_("""Enter the full search string to match. An 
-        exact match is required for your Editors Picks to be 
-        displayed, wildcards are NOT allowed."""), 
+    query_string = forms.CharField(label=_("Search term(s)/phrase"),
+        help_text=_("Enter the full search string to match. An "
+        "exact match is required for your Editors Picks to be "
+        "displayed, wildcards are NOT allowed."),
         required=True)