From 7ce1c6fb579a01bb184224a10019039fde9c8eaf Mon Sep 17 00:00:00 2001
From: Yury Selivanov <yury@magic.io>
Date: Sun, 11 Jun 2017 13:49:18 +0000
Subject: bpo-30508: Don't log exceptions if Task/Future "cancel()" method
 called (#2050)

---
 Lib/asyncio/futures.py | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Lib/asyncio/futures.py')

diff --git a/Lib/asyncio/futures.py b/Lib/asyncio/futures.py
index 39721eaf00..215f72d191 100644
--- a/Lib/asyncio/futures.py
+++ b/Lib/asyncio/futures.py
@@ -107,6 +107,7 @@ class Future:
         change the future's state to cancelled, schedule the callbacks and
         return True.
         """
+        self._log_traceback = False
         if self._state != _PENDING:
             return False
         self._state = _CANCELLED
-- 
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