commit 9fdc64cf1266b6d5bf0503847b5c38e5edc53a14
author Kyle Stanley <aeros167@gmail.com> Thu Sep 19 08:47:22 2019 -0400
committer Andrew Svetlov <andrew.svetlov@gmail.com> Thu Sep 19 15:47:22 2019 +0300
tree b2c07128fa5ef4fe3117604235199a618c0d10e5
parent 3171d67a6aaf7fe88685b3a80644f0284686ef63

bpo-34037: Fix test_asyncio failure and add loop.shutdown_default_executor() (GH-15735)

Lib/asyncio/runners.py

diff --git a/Lib/asyncio/runners.py b/Lib/asyncio/runners.py
index 5fbab03..6c87747 100644
--- a/Lib/asyncio/runners.py
+++ b/Lib/asyncio/runners.py
@@ -45,6 +45,7 @@
         try:
             _cancel_all_tasks(loop)
             loop.run_until_complete(loop.shutdown_asyncgens())
+            loop.run_until_complete(loop.shutdown_default_executor())
         finally:
             events.set_event_loop(None)
             loop.close()