Update bigdata inventory file

@@ -84,6 +84,10 @@ def modify_alb_weight(SecretId, SecretKey, lb_id, domain, ip_weight_dict={}, hos
 
     # listener : [http , https]
     for listener in lb_info['data']:
+        if listener.has_key('rules'):
+            pass
+        else:
+            continue
         for rule in listener['rules']:
             if rule['domain'] == domain:  # domain match
                 listener_ids[listener['listenerId']] = listener['protocolType']