From 4ab5aaf1429e80d967ffc242f071f609b06b2519 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Thu, 23 Jan 2020 16:33:47 -0800
Subject: [PATCH] Mark the delivery thread daemonic.

---
 src/python/grpcio/grpc/_channel.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/python/grpcio/grpc/_channel.py b/src/python/grpcio/grpc/_channel.py
index 7c55c2fd7e8..f5c6656823a 100644
--- a/src/python/grpcio/grpc/_channel.py
+++ b/src/python/grpcio/grpc/_channel.py
@@ -1240,6 +1240,7 @@ def _spawn_delivery(state, callbacks):
                                                      state.connectivity,
                                                      callbacks,
                                                  ))
+    delivering_thread.setDaemon(True)
     delivering_thread.start()
     state.delivering = True