# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2019-02-04 17:41:10
# Node ID fbb43514f34241ae5f7277d2218462144cc13e89
# Parent  7d1798ec92a317b0ea0c88c81b1fcb365c86feaa

revetbenchmarks: use raw string for regular expression with escapes

This avoids a SyntaxWarning on Python 3.8.

Differential Revision: https://phab.mercurial-scm.org/D5830

diff --git a/contrib/revsetbenchmarks.py b/contrib/revsetbenchmarks.py
--- a/contrib/revsetbenchmarks.py
+++ b/contrib/revsetbenchmarks.py
@@ -71,8 +71,8 @@ def perf(revset, target=None, contexts=F
             print(exc.output, file=sys.stderr)
         return None
 
-outputre = re.compile(r'! wall (\d+.\d+) comb (\d+.\d+) user (\d+.\d+) '
-                      'sys (\d+.\d+) \(best of (\d+)\)')
+outputre = re.compile(br'! wall (\d+.\d+) comb (\d+.\d+) user (\d+.\d+) '
+                      br'sys (\d+.\d+) \(best of (\d+)\)')
 
 def parseoutput(output):
     """parse a textual output into a dict