インストール plone 中に次の警告が表示されます。
$ bin/buildout
While:
Installing.
Loading extensions.
Error: Buildout now includes 'buildout-versions' (and part of the older 'buildout.dumppickedversions').
Remove the extension from your configuration and look at the 'show-picked-versions' option in buildout's documentation.
修正方法は?