PEP8 cleanups, remove unused imports, add missing imports

apps/smart_settings/classes.py

@@ -7,7 +7,7 @@ from django.db import transaction, DatabaseError
 
 from .models import ClusterSetting
 
-# Namespace
+
 class SettingsNamespace(object):
     _registry = {}
     _settings = {}
@@ -41,7 +41,6 @@ class SettingsNamespace(object):
         return self.__class__._settings[self.name].values()
 
 
-# Scopes
 class ScopeBase(object):
     def get_value(self):
         raise NotImplemented

apps/smart_settings/links.py

@@ -6,6 +6,7 @@ from navigation import Link
 
 from .icons import icon_settings
 
+
 def is_superuser(context):
     return context['request'].user.is_staff or context['request'].user.is_superuser
 

apps/smart_settings/views.py

@@ -12,6 +12,7 @@ from app_registry.models import App
 
 from .classes import SettingsNamespace
 from .links import is_superuser
+from .icons import icon_settings
 
 
 def setting_list(request, app_name=None, object_list=None, title=None, extra_context=None):