root@MAAS:~/charms/trusty# export JUJU_REPOSITORY=/root/charms/trusty
root@MAAS:~/charms/trusty# juju-deployer -c local.yaml 
2015-03-03 17:11:56 Using deployment zookeeper-bundle
2015-03-03 17:11:56 Starting deployment of zookeeper-bundle
2015-03-03 17:11:56 Service: midonet-zookeeper has neither charm url or branch specified
2015-03-03 17:11:56 Invalid charm specification midonet-zookeeper
Traceback (most recent call last):
  File "/usr/bin/juju-deployer", line 9, in <module>
    load_entry_point('juju-deployer==0.4.3', 'console_scripts', 'juju-deployer')()
  File "/usr/lib/python2.7/dist-packages/deployer/cli.py", line 130, in main
    run()
  File "/usr/lib/python2.7/dist-packages/deployer/cli.py", line 228, in run
    importer.Importer(env, deployment, options).run()
  File "/usr/lib/python2.7/dist-packages/deployer/action/importer.py", line 188, in run
    self.get_charms()
  File "/usr/lib/python2.7/dist-packages/deployer/action/importer.py", line 67, in get_charms
    self.deployment.resolve(self.options.overrides or ())
  File "/usr/lib/python2.7/dist-packages/deployer/deployment.py", line 148, in resolve
    self.validate_placement()
  File "/usr/lib/python2.7/dist-packages/deployer/deployment.py", line 245, in validate_placement
    feedback.extend(placement.validate())
  File "/usr/lib/python2.7/dist-packages/deployer/service.py", line 96, in validate
    self.service.name, unit_placement[idx])
TypeError: error() takes exactly 2 arguments (4 given)