Bug#506861: python-debian: support data.tar.xz member

[Jakub Wilk]

* Stuart Prescott <stuart at debian.org>, 2012-06-29, 00:57:
>+                    p = subprocess.Popen(['unxz', '--stdout'],
>+                              stdin=subprocess.PIPE, stdout=subprocess.PIPE,
>+                              universal_newlines=False)
>+                    fh2 = io.BytesIO(p.communicate(self.__member.read())[0])

What if unxz fails to decompress the file?

-- 
Jakub Wilk