diff -r 47fac1692ede -r 9f70512ae2cf mercurial/hgweb/common.py
--- a/mercurial/hgweb/common.py	Sun Nov 10 07:30:14 2019 -0800
+++ b/mercurial/hgweb/common.py	Fri Nov 08 11:19:20 2019 -0800
@@ -143,9 +143,7 @@
 
 def _statusmessage(code):
     responses = httpserver.basehttprequesthandler.responses
-    return pycompat.bytesurl(
-        responses.get(code, (r'Error', r'Unknown error'))[0]
-    )
+    return pycompat.bytesurl(responses.get(code, ('Error', 'Unknown error'))[0])
 
 
 def statusmessage(code, message=None):