[Python-modules-team] Bug#786580: pip and distlib mismatch breaks pip and virtualenv

Sébastien Kalt skalt at throka.org
Wed May 27 07:37:41 UTC 2015


Hi,

On Sun, 24 May 2015 21:34:38 +0200 "Felix C. Stegerman" <flx at obfusk.net>
wrote:
> Hi,
>
> I've looked at what's going on, and the problem seems to be caused by
> the fact that distlib 0.1.9 uses PEP426 and 0.2.0 uses PEP440; the
> latter has an extra "epoch" field.
>
> Because pip.util (in the version included with Debian) expects the
> output not to have this epoch field, it breaks.
>
> Downgrading python-distlib and python-distlib-whl to the version in
> testing (0.1.9) makes pip and virtualenv work again.
This solution doesn't work anymore, version 0.2.0-2 migrated to testing.

You now need to downgrade to stable which is still 0.1.9-1.

Regards,

Sébastien
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