[Python-apps-team] Bug#683133: xpra: robustify cython version parsing: otherwise would fail to build against beta releases of cython

[Antoine Martin]

(snip)
> ValueError: invalid literal for int() with base 10: 'beta1'
You did not post the version string that Debian uses (the one that 
contains 'beta1') so the patch I have merged was only tested against the 
following version strings:
* 0.16.0
* 0.16.0.beta1
* 0.16.beta1
* 0.16.0beta1
etc

Please let me know if this works for you and I'll apply it to the stable 
0.3.x (which is what debian uses) and 0.4.x branches.
https://www.xpra.org/trac/changeset/1204

Cheers
Antoine