3.0 on debian wheezy: setup-kolab failing

Hi,

On my swanky new debian wheezy system

PROMPT> setup-kolab -d 9

leads to theerror below. python 2.7 seems installed. Pointers? Thank you. 
Joh

Could not change the ownership of log file /var/log/kolab/pykolab.log
Could not change the ownership of log file /var/log/kolab/pykolab.log
Could not change the ownership of log file /var/log/kolab/pykolab.log
Could not change the ownership of log file /var/log/kolab/pykolab.log
Traceback (most recent call last):
  File "/usr/sbin/setup-kolab", line 41, in <module>
    setup = Setup()
  File "/usr/lib/python2.7/dist-packages/pykolab/setup/__init__.py", line 
32, in __init__
    components.__init__()
  File "/usr/lib/python2.7/dist-packages/pykolab/setup/components.py", line 
52, in __init__
    exec("from %s import __init__ as %s_register" % 
(module_name,component_name))
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.7/dist-packages/pykolab/setup/setup_php.py", line 
20, in <module>
    from augeas import Augeas
  File "/usr/lib/python2.7/dist-packages/augeas.py", line 55, in <module>
    class Augeas(object):
  File "/usr/lib/python2.7/dist-packages/augeas.py", line 61, in Augeas
    for _v in ("%d.%d", "%d%d")])
  File "/usr/lib/python2.7/dist-packages/augeas.py", line 52, in _dlopen
    raise ImportError("Unable to import lib%s!" % args[0])
ImportError: Unable to import libpython2.7!