From 61ae2d6778a19de7fee4890a403f7ae035fe7e0a Mon Sep 17 00:00:00 2001
From: Johan Mabille <johan.mabille@gmail.com>
Date: Wed, 12 Jun 2019 16:51:42 +0200
Subject: [PATCH] Added control channel to ZMQChannelsHandler

---
 notebook/services/kernels/handlers.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/notebook/services/kernels/handlers.py b/notebook/services/kernels/handlers.py
index 8733968ce3..8484dccdfd 100644
--- a/notebook/services/kernels/handlers.py
+++ b/notebook/services/kernels/handlers.py
@@ -22,7 +22,6 @@
 from ...base.handlers import APIHandler
 from ...base.zmqhandlers import AuthenticatedZMQStreamHandler, deserialize_binary_message
 
-
 class MainKernelHandler(APIHandler):
 
     @web.authenticated
@@ -124,7 +123,7 @@ def __repr__(self):
     def create_stream(self):
         km = self.kernel_manager
         identity = self.session.bsession
-        for channel in ('shell', 'iopub', 'stdin'):
+        for channel in ('shell', 'control', 'iopub', 'stdin'):
             meth = getattr(km, 'connect_' + channel)
             self.channels[channel] = stream = meth(self.kernel_id, identity=identity)
             stream.channel = channel