From 09cc169a03f865d7ff68e49be01ea9d3588c96de Mon Sep 17 00:00:00 2001
From: Yury Selivanov <yselivanov@sprymix.com>
Date: Tue, 15 Apr 2014 12:01:16 -0400
Subject: asyncio.tasks: Make sure CoroWrapper.send proxies one argument
 correctly

Issue #21209.
---
 Lib/asyncio/tasks.py | 2 ++
 1 file changed, 2 insertions(+)

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

diff --git a/Lib/asyncio/tasks.py b/Lib/asyncio/tasks.py
index 0366da35fee..0785e107183 100644
--- a/Lib/asyncio/tasks.py
+++ b/Lib/asyncio/tasks.py
@@ -53,6 +53,8 @@ class CoroWrapper:
         # We use `*value` because of a bug in CPythons prior
         # to 3.4.1. See issue #21209 and test_yield_from_corowrapper
         # for details.  This workaround should be removed in 3.5.0.
+        if len(value) == 1:
+            value = value[0]
         return self.gen.send(value)
 
     def throw(self, exc):
-- 
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