From 54b74fe9df89f0e5646736f1f60376b4e37c422c Mon Sep 17 00:00:00 2001
From: Andrew Svetlov <andrew.svetlov@gmail.com>
Date: Wed, 15 May 2019 00:39:13 +0300
Subject: bpo-36801: Temporarily fix regression in writer.drain() (#13330)

---
 Lib/asyncio/streams.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

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

diff --git a/Lib/asyncio/streams.py b/Lib/asyncio/streams.py
index 146a33818d..2f0cbfdbe8 100644
--- a/Lib/asyncio/streams.py
+++ b/Lib/asyncio/streams.py
@@ -439,9 +439,7 @@ class StreamWriter:
             # Wait for protocol.connection_lost() call
             # Raise connection closing error if any,
             # ConnectionResetError otherwise
-            fut = self._protocol._get_close_waiter(self)
-            await fut
-            raise ConnectionResetError('Connection lost')
+            await sleep(0)
         await self._protocol._drain_helper()
 
 
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