Homie (0.4.1)? no attribute mqtt_topic

[psyciknz]

Just going to look at moving an old script that runs as two pythong scripts, one for tmp one for fan control to homie.

It had been a while, so i performed a pip install --upgrade homie and it lists in pip as .4.1

But upon running I'm getting:

Setting up GPIO ports
GPIO ports set up on port 18
Starting homie
Traceback (most recent call last):
  File "mqtt.homie.fancontrol.py", line 93, in <module>
    main(args.configfile)
  File "mqtt.homie.fancontrol.py", line 41, in main
    Homie = homie.Homie(configfile)
  File "/usr/local/lib/python2.7/dist-packages/homie/main.py", line 74, in __init__
    self._initAttrs(config)
  File "/usr/local/lib/python2.7/dist-packages/homie/main.py", line 119, in _initAttrs
    config.get(
AttributeError: 'str' object has no attribute 'get'
Error in atexit._run_exitfuncs:
Traceback (most recent call last):
  File "/usr/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/usr/local/lib/python2.7/dist-packages/homie/main.py", line 462, in _exitus
    self.mqtt_topic + "/$online",
AttributeError: 'Homie' object has no attribute 'mqtt_topic'
Error in sys.exitfunc:
Traceback (most recent call last):
  File "/usr/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/usr/local/lib/python2.7/dist-packages/homie/main.py", line 462, in _exitus
    self.mqtt_topic + "/$online",
AttributeError: 'Homie' object has no attribute 'mqtt_topic'

Which seems to be part of the homie framework. my config as follows:

{
    "HOST": "localhost",
    "PORT": 1883,
    "KEEPALIVE": 10,
    "USERNAME": "",
    "PASSWORD": "",
    "CA_CERTS": "",
    "DEVICE_ID": "cupboard",
    "DEVICE_NAME": "cupboard",
    "TOPIC": "sensors/dht",
    "dht": {
        "frequency": 300,
        "pin": 4
    },
    "relay": {
        "pin": 18,
        "log": "/var/log/mqtt/fancontrol-homie.log"
    }
}

Any ideas? Here's the code https://github.com/psyciknz/OpenHAB-Scripts/blob/master/mqtt.homie.fancontrol.py