From 26178dc99da3b0ac2fe9eb65155892e62e3ae538 Mon Sep 17 00:00:00 2001
From: Min RK <benjaminrk@gmail.com>
Date: Thu, 28 Jul 2016 12:15:37 +0200
Subject: [PATCH] inprocess: cleanup iopub thread on shutdown

avoids leaking threads
---
 ipykernel/inprocess/manager.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ipykernel/inprocess/manager.py b/ipykernel/inprocess/manager.py
index f46d89d53..ccdaccadf 100644
--- a/ipykernel/inprocess/manager.py
+++ b/ipykernel/inprocess/manager.py
@@ -46,6 +46,7 @@ def start_kernel(self, **kwds):
         self.kernel = InProcessKernel(parent=self, session=self.session)
 
     def shutdown_kernel(self):
+        self.kernel.iopub_thread.stop()
         self._kill_kernel()
 
     def restart_kernel(self, now=False, **kwds):