From 44b548dda872c0d4f30afd6b44fd74b053a55ad8 Mon Sep 17 00:00:00 2001
From: R David Murray <rdmurray@bitdance.com>
Date: Thu, 8 Sep 2016 13:59:53 -0400
Subject: #27364: fix "incorrect" uses of escape character in the stdlib.

And most of the tools.

Patch by Emanual Barry, reviewed by me, Serhiy Storchaka, and
Martin Panter.
---
 Lib/idlelib/calltips.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Lib/idlelib/calltips.py')

diff --git a/Lib/idlelib/calltips.py b/Lib/idlelib/calltips.py
index abcc1427c48..4c5aea2acbf 100644
--- a/Lib/idlelib/calltips.py
+++ b/Lib/idlelib/calltips.py
@@ -120,7 +120,7 @@ def get_entity(expression):
 _MAX_COLS = 85
 _MAX_LINES = 5  # enough for bytes
 _INDENT = ' '*4  # for wrapped signatures
-_first_param = re.compile('(?<=\()\w*\,?\s*')
+_first_param = re.compile(r'(?<=\()\w*\,?\s*')
 _default_callable_argspec = "See source or doc"
 
 
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