diff -r 9b3be572ff0c -r 2bf689b13a17 mercurial/statichttprepo.py
--- a/mercurial/statichttprepo.py	Sat Jan 26 10:40:37 2019 -0800
+++ b/mercurial/statichttprepo.py	Sat Jan 26 10:53:10 2019 -0800
@@ -59,7 +59,7 @@
             num = inst.code == 404 and errno.ENOENT or None
             raise IOError(num, inst)
         except urlerr.urlerror as inst:
-            raise IOError(None, inst.reason[1])
+            raise IOError(None, inst.reason)
 
         if code == 200:
             # HTTPRangeHandler does nothing if remote does not support