D5819: crecord: use raw string for regular expression

[indygreg (Gregory Szorc)]

indygreg created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REVISION SUMMARY
  \s emits a SyntaxWarning in Python 3.8. Use a raw string to
  avoid escaping the \.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D5819

AFFECTED FILES
  mercurial/crecord.py

CHANGE DETAILS

diff --git a/mercurial/crecord.py b/mercurial/crecord.py
--- a/mercurial/crecord.py
+++ b/mercurial/crecord.py
@@ -1799,6 +1799,7 @@
                 break
 
         if self.commenttext != "":
-            whitespaceremoved = re.sub("(?m)^\s.*(\n|$)", "", self.commenttext)
+            whitespaceremoved = re.sub(br"(?m)^\s.*(\n|$)", b"",
+                                       self.commenttext)
             if whitespaceremoved != "":
                 self.opts['message'] = self.commenttext



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Cc: mercurial-devel