update_manpages.py: treat regex as raw string

Treat the values in the regex map as raw strings to fix
Invalid escape sequence 'g' (W605).

Change-Id: I53bf5d6bd1e1d6a1d1293e4f55640b6513bf3075
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/354698


Tested-by: Daniel Kutik <daniel.kutik@lavawerk.com>
Reviewed-by: Mike Frysinger <vapier@google.com>

release/update_manpages.py

@@ -109,10 +109,10 @@ def replace_regex(data):
     Updated manpage text.
   """
   regex = (
-      (r'(It was generated by help2man) [0-9.]+', '\g<1>.'),
-      (r'^\033\[[0-9;]*m([^\033]*)\033\[m', '\g<1>'),
-      (r'^\.IP\n(.*:)\n', '.SS \g<1>\n'),
-      (r'^\.PP\nDescription', '.SH DETAILS'),
+      (r'(It was generated by help2man) [0-9.]+', r'\g<1>.'),
+      (r'^\033\[[0-9;]*m([^\033]*)\033\[m', r'\g<1>'),
+      (r'^\.IP\n(.*:)\n', r'.SS \g<1>\n'),
+      (r'^\.PP\nDescription', r'.SH DETAILS'),
   )
   for pattern, replacement in regex:
     data = re.sub(pattern, replacement, data, flags=re.M)