From 15fa1c4ade79060e340a656e1f69c70ebe355171 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Wed, 25 Mar 2015 01:21:50 +0200
Subject: [PATCH] Fixed using deprecated escaping in regular expression in
 _strptime.py (issue23622).

---
 Lib/_strptime.py | 4 ++--
 Lib/sre_parse.py | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Lib/_strptime.py b/Lib/_strptime.py
index f4a98ecfce1..374923dd135 100644
--- a/Lib/_strptime.py
+++ b/Lib/_strptime.py
@@ -253,8 +253,8 @@ class TimeRE(dict):
         # format directives (%m, etc.).
         regex_chars = re_compile(r"([\\.^$*+?\(\){}\[\]|])")
         format = regex_chars.sub(r"\\\1", format)
-        whitespace_replacement = re_compile('\s+')
-        format = whitespace_replacement.sub('\s+', format)
+        whitespace_replacement = re_compile(r'\s+')
+        format = whitespace_replacement.sub(r'\\s+', format)
         while '%' in format:
             directive_index = format.index('%')+1
             processed_format = "%s%s%s" % (processed_format,
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
index af729c30db1..e6f1f1d839a 100644
--- a/Lib/sre_parse.py
+++ b/Lib/sre_parse.py
@@ -915,7 +915,7 @@ def parse_template(source, pattern):
                     if c in ASCIILETTERS:
                         import warnings
                         warnings.warn('bad escape %s' % this,
-                                      DeprecationWarning, stacklevel=5)
+                                      DeprecationWarning, stacklevel=4)
                 lappend(this)
         else:
             lappend(this)