fix(gateway): fix #435 empty request iterator

jina-ai · May 21, 2020 · 17f586f · 17f586f
1 parent 59282cf
commit 17f586f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/jina/peapods/gateway.py b/jina/peapods/gateway.py
@@ -130,7 +130,9 @@ def prefetch_req(num_req, fetch_to):
                                         'ask client to reduce "--batch-size"')
                     is_req_empty = prefetch_req(self.args.prefetch, prefetch_task)
                     if is_req_empty:
-                        self.logger.error('receive an empty stream from the client! please check your client\'s input_fn')
+                        self.logger.error('receive an empty stream from the client! '
+                                          'please check your client\'s input_fn, '
+                                          'you can use "PyClient.check_input(input_fn())"')
                         return
 
                 while not (zmqlet.msg_sent == zmqlet.msg_recv != 0 and is_req_empty):