diff --git a/cms_helper.py b/cms_helper.py
index 0a95a18..40ac322 100755
--- a/cms_helper.py
+++ b/cms_helper.py
@@ -4,7 +4,8 @@ from __future__ import absolute_import, print_function, unicode_literals
 
 from tempfile import mkdtemp
 
-gettext = lambda s: s
+
+def gettext(s): return s
 
 HELPER_SETTINGS = dict(
     ROOT_URLCONF='tests.test_utils.urls',
@@ -91,7 +92,7 @@ HELPER_SETTINGS = dict(
     ),
     FILE_UPLOAD_TEMP_DIR=mkdtemp(),
     SITE_ID=1,
-    HAYSTACK_CONNECTIONS = {
+    HAYSTACK_CONNECTIONS={
         "default": {}
     }
 )
diff --git a/djangocms_blog/managers.py b/djangocms_blog/managers.py
index 644fbc6..ecd1900 100644
--- a/djangocms_blog/managers.py
+++ b/djangocms_blog/managers.py
@@ -99,8 +99,8 @@ class GenericDateQuerySet(AppHookConfigTranslatableQueryset):
         queryset = self.on_site()
         if self.end_date_field:
             qfilter = (
-                models.Q(**{'%s__gte' % self.end_date_field: now()})
-                | models.Q(**{'%s__isnull' % self.end_date_field: True})
+                models.Q(**{'%s__gte' % self.end_date_field: now()}) |
+                models.Q(**{'%s__isnull' % self.end_date_field: True})
             )
             queryset = queryset.filter(qfilter)
         return queryset.filter(**{self.publish_field: True})
@@ -109,8 +109,8 @@ class GenericDateQuerySet(AppHookConfigTranslatableQueryset):
         queryset = self.on_site()
         if self.end_date_field:
             qfilter = (
-                models.Q(**{'%s__lte' % self.end_date_field: now()})
-                | models.Q(**{'%s__isnull' % self.end_date_field: False})
+                models.Q(**{'%s__lte' % self.end_date_field: now()}) |
+                models.Q(**{'%s__isnull' % self.end_date_field: False})
             )
             queryset = queryset.filter(qfilter)
         return queryset.filter(**{self.publish_field: True})