diff -r 7ce9dea3a14a -r 089fc0db0954 mercurial/statichttprepo.py
--- a/mercurial/statichttprepo.py	Tue Sep 11 13:46:59 2018 -0700
+++ b/mercurial/statichttprepo.py	Tue Sep 11 17:11:32 2018 -0700
@@ -215,7 +215,7 @@
     def _writecaches(self):
         pass # statichttprepository are read only
 
-def instance(ui, path, create, intents=None):
+def instance(ui, path, create, intents=None, createopts=None):
     if create:
         raise error.Abort(_('cannot create new static-http repository'))
     return statichttprepository(ui, path[7:])