Bug#1022495: ufo-extractor: FTBFS: AttributeError: '_TTGlyphGlyf' object has no attribute '_glyph'

[s3v]

Control: forwarded -1 https://github.com/robotools/extractor/pull/52
thanks

Dear Maintainer,

after applying aforementioned commits, I was able to build your package
in a sid chroot environment.

Kind Regards