From 46a05a7db5a65ebee04a43e0394672a72b37ffa1 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Thu, 7 Jun 2007 21:56:45 +0000
Subject: The bufsize argument to Popen() should accept None meaning the
 default (0).

---
 Lib/subprocess.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Lib/subprocess.py')

diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index 051f2d46fb..1ae74268a2 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -465,6 +465,8 @@ class Popen(object):
         _cleanup()
 
         self._child_created = False
+        if bufsize is None:
+            bufsize = 0  # Restore default
         if not isinstance(bufsize, int):
             raise TypeError("bufsize must be an integer")
 
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