I run an error running funnelweb

[danielhz]

I install funnelweb using this buildout:

[buildout]
parts += funnelweb

[funnelweb]
recipe = funnelweb

And when I run "bin/funnelweb --help" I got the next error:

Traceback (most recent call last):
  File "bin/funnelweb", line 118, in <module>
    import mr.migrator.runner
  File "/home/daniel/.buildout/eggs/mr.migrator-1.0.1-py2.6.egg/mr/migrator/runner/__init__.py", line 1, in <module>
    from collective.transmogrifier.transmogrifier import configuration_registry
  File "/home/daniel/.buildout/eggs/collective.transmogrifier-1.3-py2.6.egg/collective/transmogrifier/transmogrifier.py", line 8, in <module>
    from Products.CMFCore.interfaces import IFolderish
  File "/home/daniel/.buildout/eggs/Products.CMFCore-2.3.0_beta2-py2.6.egg/Products/CMFCore/__init__.py", line 18, in <module>
    import PortalFolder
  File "/home/daniel/.buildout/eggs/Products.CMFCore-2.3.0_beta2-py2.6.egg/Products/CMFCore/PortalFolder.py", line 24, in <module>
    from OFS.Folder import Folder
  File "/home/daniel/.buildout/eggs/Zope2-2.13.19-py2.6.egg/OFS/Folder.py", line 24, in <module>
    from webdav.Collection import Collection
  File "/home/daniel/.buildout/eggs/Zope2-2.13.19-py2.6.egg/webdav/Collection.py", line 30, in <module>
    from webdav.Resource import Resource
  File "/home/daniel/.buildout/eggs/Zope2-2.13.19-py2.6.egg/webdav/Resource.py", line 35, in <module>
    from OFS.event import ObjectClonedEvent
  File "/home/daniel/.buildout/eggs/Zope2-2.13.19-py2.6.egg/OFS/event.py", line 20, in <module>
    import OFS.interfaces
  File "/home/daniel/.buildout/eggs/Zope2-2.13.19-py2.6.egg/OFS/interfaces.py", line 19, in <module>
    from zope.location.interfaces import IPossibleSite
ImportError: cannot import name IPossibleSite