Fix a bug in the clientapi pubsub

django_backend/backend/clientapi/pubsub.py

@@ -36,13 +36,13 @@ class PubSubConnection:
 
     def online_clients(self, service):
         rabbitmq = RabbitMQInstance()
-        return [s
-                for s in service.site.all()
-                if rabbitmq.is_client_connected(s)]
+        return [site
+                for site in service.site.all()
+                if rabbitmq.is_client_connected(site)]
 
     def publish_by_service(self, service, message):
         online_clients = self.online_clients(service)
-        if len(online_clients) > 0:
+        if online_clients:
             print("Online clients for service {}: {}".format(
                 service,
                 online_clients,
@@ -51,7 +51,7 @@ class PubSubConnection:
             print("No clients online for service {}".format(
                 service
             ))
-            return
+            return False, []
 
         self.connect()
         print('Sent deployment update for service {}'.format(