From bb668f798a78af0fd99675a4c7e0d949591f4f2b Mon Sep 17 00:00:00 2001
From: Richard Sanger <rsangerarj@gmail.com>
Date: Tue, 10 Sep 2019 03:49:47 +1200
Subject: [PATCH] Fix docs bz.open default mode (GH-15100)

bz2.open()'s default mode is rb, not r
---
 Doc/library/bz2.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Doc/library/bz2.rst b/Doc/library/bz2.rst
index 277de601cb7..aa836af2b25 100644
--- a/Doc/library/bz2.rst
+++ b/Doc/library/bz2.rst
@@ -31,7 +31,7 @@ All of the classes in this module may safely be accessed from multiple threads.
 (De)compression of files
 ------------------------
 
-.. function:: open(filename, mode='r', compresslevel=9, encoding=None, errors=None, newline=None)
+.. function:: open(filename, mode='rb', compresslevel=9, encoding=None, errors=None, newline=None)
 
    Open a bzip2-compressed file in binary or text mode, returning a :term:`file
    object`.