Device Tracker Ubiquiti fail after install 0.36

anyone else have issue with this component after 0.36?
No change with 0.36.1

17-01-17 11:17:40 homeassistant.core: Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/lib/python3.4/asyncio/", line 233, in _step
    result = coro.throw(exc)
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/device_tracker/", line 649, in async_device_tracker_scan
    found_devices = yield from scanner.async_scan_devices()
  File "/usr/lib/python3.4/asyncio/", line 388, in __iter__
    yield self  # This tells Task to wait for completion.
  File "/usr/lib/python3.4/asyncio/", line 286, in _wakeup
    value = future.result()
  File "/usr/lib/python3.4/asyncio/", line 277, in result
    raise self._exception
  File "/usr/lib/python3.4/concurrent/futures/", line 54, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/device_tracker/", line 83, in scan_devices
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/device_tracker/", line 79, in _update
    self._clients = {client['mac']: client for client in clients}
TypeError: 'NoneType' object is not iterable

answered myself