diff -r 0ff3554b2884 -r 62b1b6a89d2a mercurial/ui.py
--- a/mercurial/ui.py	Tue Dec 22 10:58:47 2015 +0000
+++ b/mercurial/ui.py	Tue Dec 22 15:25:40 2015 -0800
@@ -1149,8 +1149,6 @@
                 raise error.RepoError(_('repository %s does not exist') %
                                         name)
 
-        assert False
-
 _pathsuboptions = {}
 
 def pathsuboption(option, attr):