BatcaveClient: get_nodes() gives nodes-array directly

modules/batcave/client.py

@@ -31,7 +31,8 @@ class BatcaveClient(object):
 
     def get_nodes(self):
         url = 'nodes.json'
-        return self.__load_response(url, 'nodes')
+        response = self.__load_response(url, 'nodes')
+        return response.get('nodes') if response is not None else None
 
     def get_node(self, nodeid):
         """Query the given node's data from the BATCAVE."""