Re: [PATCH] Take into account that a parted.Partition's _fileSystem can be None (#485644).

[Chris Lumens <clumens redhat com>]

> Maybe use the above method that you fixed up here?

Yep, that's a good idea.

> Although I'm guessing this goes away soon anyway

That's the hope, though it seems like we still have a good bit of work
ahead of us, and we should at least paper over the trouble spots to get
a few install paths working until then.

- Chris