diff -r 09397d0dd3b7 -r 6f532c1a4af0 mercurial/wireproto.py
--- a/mercurial/wireproto.py	Sun Oct 15 00:37:24 2017 -0400
+++ b/mercurial/wireproto.py	Sun Oct 15 00:39:29 2017 -0400
@@ -153,7 +153,7 @@
 
 def decodelist(l, sep=' '):
     if l:
-        return map(bin, l.split(sep))
+        return [bin(v) for v in  l.split(sep)]
     return []
 
 def encodelist(l, sep=' '):