diff -r 783394c0c978 -r 9929af2b09b4 mercurial/exchange.py
--- a/mercurial/exchange.py	Thu Jun 01 08:31:21 2017 -0700
+++ b/mercurial/exchange.py	Sat Jun 03 16:33:28 2017 -0400
@@ -1980,7 +1980,7 @@
             except urlerr.httperror as e:
                 ui.warn(_('HTTP error fetching bundle: %s\n') % str(e))
             except urlerr.urlerror as e:
-                ui.warn(_('error fetching bundle: %s\n') % e.reason[1])
+                ui.warn(_('error fetching bundle: %s\n') % e.reason)
 
             return False
         finally: