Fix flake8 warnings

circle/circle/__init__.py

@@ -17,4 +17,5 @@ def update_permissions_after_migration(sender, **kwargs):
 
     create_permissions(sender, apps.get_models(), 2 if settings.DEBUG else 0)
 
+
 post_migrate.connect(update_permissions_after_migration)

circle/dashboard/views/graph.py

@@ -171,6 +171,7 @@ class TemplateVms(object):
     def get_minmax(self):
         return (0, None)
 
+
 register_graph(TemplateVms, 'instances', TemplateGraphView)
 
 
@@ -197,6 +198,7 @@ class Ram(object):
     def get_minmax(self):
         return (0, 105)
 
+
 register_graph(Ram, 'memory', VmGraphView)
 register_graph(Ram, 'memory', NodeGraphView)
 
@@ -212,6 +214,7 @@ class Cpu(object):
         else:
             return (0, self.obj.num_cores * 100 + 5)
 
+
 register_graph(Cpu, 'cpu', VmGraphView)
 register_graph(Cpu, 'cpu', NodeGraphView)
 
@@ -236,6 +239,7 @@ class VmNetwork(object):
                     params))
         return 'group(%s)' % ','.join(metrics) if metrics else None
 
+
 register_graph(VmNetwork, 'network', VmGraphView)
 
 
@@ -251,6 +255,7 @@ class NodeNetwork(object):
             '10), ".*\.bytes_(sent|recv)-([a-zA-Z0-9]+).*", "\\2 \\1")' % (
                 self.obj.metric_prefix))
 
+
 register_graph(NodeNetwork, 'network', NodeGraphView)
 
 
@@ -262,6 +267,7 @@ class NodeVms(object):
     def get_minmax(self):
         return (0, None)
 
+
 register_graph(NodeVms, 'vm', NodeGraphView)
 
 
@@ -282,6 +288,7 @@ class NodeAllocated(object):
     def get_minmax(self):
         return (0, None)
 
+
 register_graph(NodeAllocated, 'alloc', NodeGraphView)
 
 
@@ -302,6 +309,7 @@ class NodeListAllocated(object):
     def get_minmax(self):
         return (0, None)
 
+
 register_graph(NodeListAllocated, 'alloc', NodeListGraphView)
 
 
@@ -315,4 +323,5 @@ class NodeListVms(object):
     def get_minmax(self):
         return (0, None)
 
+
 register_graph(NodeListVms, 'vm', NodeListGraphView)

circle/firewall/admin.py

@@ -143,6 +143,7 @@ class SwitchPortAdmin(admin.ModelAdmin):
 class EthernetDeviceAdmin(admin.ModelAdmin):
     list_display = ('name', )
 
+
 admin.site.register(Host, HostAdmin)
 admin.site.register(Vlan, VlanAdmin)
 admin.site.register(Rule, RuleAdmin)