Fix flake8 warning, rename function

circle/dashboard/views/node.py

@@ -193,6 +193,7 @@ class NodeList(LoginRequiredMixin, GraphMixin, SingleTableView):
     def get(self, *args, **kwargs):
         if not self.request.user.has_perm('vm.view_statistics'):
             raise PermissionDenied()
+        self.wrong_nodes_message()
         if self.request.is_ajax():
             nodes = Node.objects.all()
             nodes = [{
@@ -210,14 +211,14 @@ class NodeList(LoginRequiredMixin, GraphMixin, SingleTableView):
             return super(NodeList, self).get(*args, **kwargs)
 
     def get_queryset(self):
-        self.wrong_node_message()
         return Node.objects.annotate(
             number_of_VMs=Count('instance_set')).select_related('host')
 
-    def wrong_node_message(self):
+    def wrong_nodes_message(self):
         for node in Node.objects.all():
             if node.monitor_info is None:
-                messages.error(self.request, "Can't reach "+node.name+" monitor info")
+                messages.error(self.request,
+                               "Can't reach " + node.name + " monitor info")
 
 
 class NodeCreate(LoginRequiredMixin, SuperuserRequiredMixin, TemplateView):