From: Łukasz Langa <lukasz@langa.pl>
Date: Tue, 23 May 2017 07:36:23 +0000 (-0700)
Subject: [3.6] call remove_done_callback in finally section (GH-1688) (#1755)
X-Git-Tag: v3.6.2rc1~129
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=70705e3cdfff6a2c1211456afce99afc3d9ca59b;p=python

[3.6] call remove_done_callback in finally section (GH-1688) (#1755)

(cherry picked from commit 21b3e04c13212b29e8c35ffc36eed8603fde08f4)
---

diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index 0df58c5f87..a4967b854c 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -459,7 +459,8 @@ class BaseEventLoop(events.AbstractEventLoop):
                 # local task.
                 future.exception()
             raise
-        future.remove_done_callback(_run_until_complete_cb)
+        finally:
+            future.remove_done_callback(_run_until_complete_cb)
         if not future.done():
             raise RuntimeError('Event loop stopped before Future completed.')