--- a/mercurial/ui.py Tue Jun 27 02:06:15 2017 +0200
+++ b/mercurial/ui.py Wed Jun 28 13:50:20 2017 +0200
@@ -455,6 +455,8 @@
if default is _unset:
if item is None:
value = default
+ elif callable(item.default):
+ value = item.default()
else:
value = item.default
elif item is not None: