problem ,creation d'un projet pinax

peace
j'ai installer pinax-0.7.3-bundle.zip je suis sous ubuntu ok
quand je tape:

Code:

root@mehdi-HP-Compaq-dx2200-MT:~/Bureau/virtuel/bin# pinax-admin clone_project -l

il me donne:

Code:

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Traceback (most recent call last):
  File "pinax-admin", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 2671, in <module>
    working_set.require(__requires__)
  File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 654, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 552, in resolve
    raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: Pinax==0.7.3

pourquoi:?:?:?:?:?:?:?:?:?:?:?