Crash when doing juju-deployer -T with network issues

If there is no network access to the environment,

:~$ juju-deployer -T
2015-01-16 09:17:11 Resetting environment...
Traceback (most recent call last):
  File "/usr/bin/juju-deployer", line 9, in <module>
    load_entry_point('juju-deployer==0.4.1', 'console_scripts', 'juju-deployer')()
  File "/usr/lib/python2.7/dist-packages/deployer/cli.py", line 127, in main
    run()
  File "/usr/lib/python2.7/dist-packages/deployer/cli.py", line 165, in run
    env.connect()
  File "/usr/lib/python2.7/dist-packages/deployer/env/go.py", line 48, in connect
    self.client = EnvironmentClient.connect(self.name)
  File "/usr/lib/python2.7/dist-packages/jujuclient.py", line 411, in connect
    return Connector().run(cls, env_name)
  File "/usr/lib/python2.7/dist-packages/jujuclient.py", line 304, in run
    address = self.get_state_server(data)
  File "/usr/lib/python2.7/dist-packages/jujuclient.py", line 357, in get_state_server
    if self.is_server_available(s):
  File "/usr/lib/python2.7/dist-packages/jujuclient.py", line 380, in is_server_available
    socket.create_connection((address, port), 3)
  File "/usr/lib/python2.7/socket.py", line 571, in create_connection
    raise err
socket.error: [Errno 113] No route to host

On Trusty 14.04.