Paho-mqtt v2 not working

[tarmacalastair]

Hello, thanks for this great utility.

Initially I could not get it to work:

glowmarkt-mqtt -u 'username' -p 'password' --host 192.x.x.x
Exception ignored in: <function Client.del at 0x75e07928>
Traceback (most recent call last):
File "/home/pi/.local/lib/python3.9/site-packages/paho/mqtt/client.py", line 874, in del
self._reset_sockets()
File "/home/pi/.local/lib/python3.9/site-packages/paho/mqtt/client.py", line 1133, in _reset_sockets
self._sock_close()
File "/home/pi/.local/lib/python3.9/site-packages/paho/mqtt/client.py", line 1119, in _sock_close
if not self._sock:
AttributeError: 'Client' object has no attribute '_sock'
init() missing 1 required positional argument: 'callback_api_version'

A bit of investigation revealed that some things have stopped working with the update of paho-mqtt and your utility (currently) needs an older version.
Use:
pip3 uninstall paho-mqtt to uninstall v2 and
pip3 install "paho-mqtt<2.0.0" (quotes are needed around the package name)

After this glowmarkt-mqtt now works.