--- a/mercurial/extensions.py Sun Jun 30 15:10:56 2019 +0900 +++ b/mercurial/extensions.py Sun Jun 30 13:04:26 2019 +0530 @@ -43,7 +43,8 @@ 'progress', 'interhg', 'inotify', - 'hgcia' + 'hgcia', + 'shelve', } def extensions(ui=None):