As discussed [here](https://github.com/PyFilesystem/pyfilesystem2/issues/207#issuecomment-409894399), WrapFS has to implement all of methods in order to delegate to it's wrapped filesystem. copydir and movedir are missing, possibly others in the list of [non-essential methods](https://docs.pyfilesystem.org/en/latest/implementers.html#non-essential-methods)