diff --git a/beat/web/backend/templatetags/backend_tags.py b/beat/web/backend/templatetags/backend_tags.py
index 0e31aa0fef32ef7c4eab28f6c6797ee7dfa7023b..f180a1fb613ee5aa884eb1d1dd4a83423f28f608 100755
--- a/beat/web/backend/templatetags/backend_tags.py
+++ b/beat/web/backend/templatetags/backend_tags.py
@@ -27,17 +27,15 @@
 
 
 from django import template
-from django.contrib.auth.models import User
 
 from ..models import JobSplit
 
-
 register = template.Library()
 
 
-@register.inclusion_tag('backend/panels/environment_table.html', takes_context=True)
+@register.inclusion_tag("backend/panels/environment_table.html", takes_context=True)
 def environment_table(context, objects, id):
-    '''Composes a environment list table
+    """Composes a environment list table
 
     This panel primarily exists for user's environment list page.
 
@@ -47,18 +45,14 @@ def environment_table(context, objects, id):
         id: The HTML id to set on the generated table. This is handy for the
           filter functionality normally available on list pages.
 
-    '''
+    """
 
-    return dict(
-        request=context['request'],
-        objects=objects,
-        panel_id=id,
-    )
+    return dict(request=context["request"], objects=objects, panel_id=id,)
 
 
-@register.inclusion_tag('backend/panels/environment_actions.html', takes_context=True)
+@register.inclusion_tag("backend/panels/environment_actions.html", takes_context=True)
 def environment_actions(context, object, display_count):
-    '''Composes the action buttons for a particular environment
+    """Composes the action buttons for a particular environment
 
     This panel primarily exists for showing action buttons for a given
     environment taking into consideration it is being displayed for a given user.
@@ -71,23 +65,21 @@ def environment_actions(context, object, display_count):
           display the number of queues associated to this environment as a
           button (useful for the list view)
 
-    '''
-    return dict(
-        request=context['request'],
-        object=object,
-        display_count=display_count,
-    )
+    """
+    return dict(request=context["request"], object=object, display_count=display_count,)
 
 
 @register.simple_tag(takes_context=True)
 def visible_queues(context, object):
-    '''Calculates the visible queues for an environment and requestor'''
-    return object.queues_for(context['request'].user)
+    """Calculates the visible queues for an environment and requestor"""
+    return object.queues_for(context["request"].user)
 
 
 @register.filter
 def count_job_splits(xp, status=None):
     """Returns job splits for an experiment in a certain state"""
-    if status == 'A':
-        return xp.job_splits(status=JobSplit.QUEUED).filter(worker__isnull=False).count()
+    if status == "A":
+        return (
+            xp.job_splits(status=JobSplit.QUEUED).filter(worker__isnull=False).count()
+        )
     return xp.job_splits(status=status).count()