zwave

15-10-25 11:45:41 ERROR (MainThread) [homeassistant.bootstrap] Error during setup of component zwave
Traceback (most recent call last):
  File "/usr/local/lib/python3.4/dist-packages/python_openzwave_api-0.2.6-py3.4.egg/openzwave/option.py", line 67, in __init__
    if os.path.exists(config_path):
  File "/usr/lib/python3.4/genericpath.py", line 19, in exists
    os.stat(path)
TypeError: stat: can't specify None for path argument

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.4/dist-packages/homeassistant-0.7.6.dev0-py3.4.egg/homeassistant/bootstrap.py", line 96, in _setup_component
    if not component.setup(hass, config):
  File "/usr/local/lib/python3.4/dist-packages/homeassistant-0.7.6.dev0-py3.4.egg/homeassistant/components/zwave.py", line 78, in setup
    user_path=hass.config.config_dir)
  File "/usr/local/lib/python3.4/dist-packages/python_openzwave_api-0.2.6-py3.4.egg/openzwave/option.py", line 74, in __init__
    raise ZWaveException("Can't retrieve config from %s" % config_path)
openzwave.object.ZWaveException: "Zwave Generic Exception : Can't retrieve config from None"