diff -r ff874d34c856 -r 46ba2cdda476 hgext/show.py
--- a/hgext/show.py	Sat May 13 17:53:55 2017 +0900
+++ b/hgext/show.py	Sat Jan 09 23:07:20 2016 +0900
@@ -34,7 +34,7 @@
 testedwith = 'ships-with-hg-core'
 
 cmdtable = {}
-command = cmdutil.command(cmdtable)
+command = registrar.command(cmdtable)
 revsetpredicate = registrar.revsetpredicate()
 
 class showcmdfunc(registrar._funcregistrarbase):