D6202: setup: 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
  Otherwise Python 3.8 complains about the backslash.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D6202

AFFECTED FILES
  setup.py

CHANGE DETAILS

diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -796,7 +796,7 @@
 
         # This logic is duplicated in doc/Makefile.
         sources = {f for f in os.listdir('mercurial/help')
-                   if re.search('[0-9]\.txt$', f)}
+                   if re.search(r'[0-9]\.txt$', f)}
 
         # common.txt is a one-off.
         gentxt('common')



To: indygreg, #hg-reviewers
Cc: mercurial-devel