The device "Living Room speaker (Chromecast)" failed to play! (500) - Unknown exception

[dbogdanov]

Installed with apt on Ubuntu 20.10, version 0.5.3+git20200329-0.1, I am getting the following error:

12-01 14:11:27 pulseaudio_dlna.pulseaudio                     INFO     Instructing the device "Living Room speaker (Chromecast)" to play ...
12-01 14:11:27 pychromecast                                   INFO     Querying device status
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pulseaudio_dlna/plugins/chromecast/renderer.py", line 74, in play
    chromecast = self._create_pychromecast()
  File "/usr/lib/python3/dist-packages/pulseaudio_dlna/plugins/chromecast/renderer.py", line 66, in _create_pychromecast
    chromecast = pychromecast._get_chromecast_from_host(
  File "/usr/lib/python3/dist-packages/pychromecast/__init__.py", line 53, in get_chromecast_from_host
    return Chromecast(
  File "/usr/lib/python3/dist-packages/pychromecast/__init__.py", line 298, in __init__
    dev_status = get_device_status(self.host, services, zconf)
  File "/usr/lib/python3/dist-packages/pychromecast/dial.py", line 75, in get_device_status
    status = _get_status(host, services, zconf, "/setup/eureka_info?options=detail")
  File "/usr/lib/python3/dist-packages/pychromecast/dial.py", line 41, in _get_status
    for service in services.copy():
AttributeError: 'NoneType' object has no attribute 'copy'
12-01 14:11:27 pulseaudio_dlna.pulseaudio                     ERROR    The device "Living Room speaker (Chromecast)" failed to play! (500) - Unknown exception.