Avoid error when using a cross-origin websocket

10 years ago · fe03de7471
parent a963647627
commit fe03de7471
1 changed files with 1 additions and 0 deletions
--- a/notebook/base/zmqhandlers.py
+++ b/notebook/base/zmqhandlers.py
@ -101,6 +101,7 @@ class WebSocketMixin(object):
    ping_callback = None
    last_ping = 0
    last_pong = 0
+    stream = None
    
    @property
    def ping_interval(self):