From 7631ed09ead0fcb92378a233b367ed2d78e8c8b9 Mon Sep 17 00:00:00 2001
From: Sylvain Corlay <sylvain.corlay@gmail.com>
Date: Fri, 4 Dec 2020 23:57:24 +0100
Subject: [PATCH] Start IOPub first

---
 jupyter_client/client.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/jupyter_client/client.py b/jupyter_client/client.py
index 347766b29..86de84c25 100644
--- a/jupyter_client/client.py
+++ b/jupyter_client/client.py
@@ -102,11 +102,11 @@ def start_channels(self, shell=True, iopub=True, stdin=True, hb=True, control=Tr
         :meth:`start_kernel`. If the channels have been stopped and you
         call this, :class:`RuntimeError` will be raised.
         """
+        if iopub:
+            self.iopub_channel.start()
         if shell:
             self.shell_channel.start()
             self.kernel_info()
-        if iopub:
-            self.iopub_channel.start()
         if stdin:
             self.stdin_channel.start()
             self.allow_stdin = True