cannot import name contact

[panaceya]

from epp import EPP, Contact, Domain, Nameserver
config = {
    'host': 'epp-server.com',
    'port': 700,
    'user': 'user',
    'pass': '*****',
}

epp =  epp(**config)

domain = Domain(epp, 'nextgear.nl')
print domain.token()

ns = epp.Nameserver(epp, ns[0])
print ns.get_ip()

contact = epp.Contact(epp, 'JOO011933-NEXTG')
print contact.info()

Traceback (most recent call last):
  File "epp-TEST.py", line 1, in <module>
    from epp import EPP, Contact, Domain, Nameserver
  File "/usr/local/lib/python2.7/dist-packages/epp/EPP.py", line 8, in <module>
    from commands import contact
ImportError: cannot import name contact

Test script not work, plese fix.