Error setting up Trackr/BLE

Trying to set up the TrackR integration but running in to following error:

Logger: homeassistant.components.device_tracker
Source: util/
Integration: Device tracker (documentation, issues)
First occurred: 2:54:42 PM (1 occurrences)
Last logged: 2:54:42 PM

Error setting up platform legacy
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/device_tracker/", line 239, in async_setup_legacy
    setup = await hass.async_add_executor_job(
  File "/usr/local/lib/python3.8/concurrent/futures/", line 57, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/src/homeassistant/homeassistant/components/trackr/", line 22, in setup_scanner
    TrackRDeviceScanner(hass, config, see)
  File "/usr/src/homeassistant/homeassistant/components/trackr/", line 38, in __init__
  File "/usr/src/homeassistant/homeassistant/components/trackr/", line 55, in _update_info
    dev_id = slugify(
  File "/usr/src/homeassistant/homeassistant/util/", line 47, in slugify
    return unicode_slug.slugify(text, separator=separator)
  File "/usr/local/lib/python3.8/site-packages/slugify/", line 104, in slugify
    text = _unicode(text, 'utf-8', 'ignore')
TypeError: decoding to str: need a bytes-like object, NoneType found


  - platform: trackr
    username: !secret trackr_username
    password: !secret trackr_password

Running hassos on proxmox
Supervisor: 2020.12.7
Homeassistant 5.9

Anyone who have any idea how to solve this?