Setup failing due to AssertionError about homeassistant-goecharger-mqtt HOT 5 CLOSED

2022-11-12 10:14:20.007 ERROR (MainThread) [homeassistant] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/util/logging.py", line 154, in async_wrapper
    await async_func(*args)
  File "/usr/src/homeassistant/homeassistant/components/mqtt/discovery.py", line 292, in async_integration_message_received
    result = await hass.config_entries.flow.async_init(
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 225, in async_init
    flow, result = await task
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 252, in _async_init
    result = await self._async_handle_step(flow, flow.init_step, data, init_done)
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 367, in _async_handle_step
    result: FlowResult = await getattr(flow, method)(user_input)
  File "/config/custom_components/goecharger_mqtt/config_flow.py", line 79, in async_step_mqtt
    assert subscribed_topic == ["/go-eCharger/+/var", "go-eCharger/+/var"]
AssertionError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/util/logging.py", line 156, in async_wrapper
    log_exception(format_err, *args)
  File "/usr/src/homeassistant/homeassistant/util/logging.py", line 115, in log_exception
    friendly_msg = format_err(*args)
  File "/usr/src/homeassistant/homeassistant/components/mqtt/client.py", line 225, in <lambda>
    f"Exception in {msg_callback.__name__} when handling msg on "
AttributeError: 'functools.partial' object has no attribute '__name__'