diff -r 698fe0f6eb5c -r 9e3cb58c7ab3 hgext/convert/cvsps.py
--- a/hgext/convert/cvsps.py	Tue Feb 27 00:43:37 2018 +0530
+++ b/hgext/convert/cvsps.py	Tue Feb 27 14:28:17 2018 +0530
@@ -170,7 +170,7 @@
         #    /pserver/user/server/path
         # are mapped to different cache file names.
         cachefile = root.split(":") + [directory, "cache"]
-        cachefile = ['-'.join(re.findall(r'\w+', s)) for s in cachefile if s]
+        cachefile = ['-'.join(re.findall(br'\w+', s)) for s in cachefile if s]
         cachefile = os.path.join(cachedir,
                                  '.'.join([s for s in cachefile if s]))