Support GW2000B v3.1.8

[IcyMidnight]

Describe the bug

The HASS integration is asking me to report an unknown device.

To Reproduce

Steps to reproduce the behavior:

1. Connect a GW2000X / GW2000B running firmware v3.1.8 to the HASS integration.
2. Look at integration logs

Expected behavior

The device is detected properly.

Logs

2024-12-21 22:22:53,498 | ecowitt2mqtt | INFO | Starting ecowitt2mqtt
2024-12-21 22:26:45,890 | ecowitt2mqtt | INFO | Unknown device; please report it at https://github.com/bachya/ecowitt2mqtt (payload: FormData([('PASSKEY', 'ABC123'), ('stationtype', 'GW2000B_V3.1.8'), ('runtime', '1739'), ('heap', '143900'), ('dateutc', '2024-12-22 06:26:45'), ('tempinf', '68.72'), ('humidityin', '57'), ('baromrelin', '29.955'), ('baromabsin', '29.955'), ('freq', '915M'), ('model', 'GW2000B'), ('interval', '60')]))
2024-12-21 22:26:45,893 | ecowitt2mqtt | WARNING | Skipping "heap" due to error: No entity description
2024-12-21 22:26:45,895 | ecowitt2mqtt | WARNING | Skipping "interval" due to error: No entity description
2024-12-21 22:26:46,517 | ecowitt2mqtt | INFO | Published to Home Assistant MQTT Discovery
2024-12-21 22:27:45,888 | ecowitt2mqtt | INFO | Unknown device; please report it at https://github.com/bachya/ecowitt2mqtt (payload: FormData([('PASSKEY', 'ABC123'), ('stationtype', 'GW2000B_V3.1.8'), ('runtime', '1799'), ('heap', '143900'), ('dateutc', '2024-12-22 06:27:45'), ('tempinf', '68.72'), ('humidityin', '57'), ('baromrelin', '29.958'), ('baromabsin', '29.958'), ('freq', '915M'), ('model', 'GW2000B'), ('interval', '60')]))
2024-12-21 22:27:45,891 | ecowitt2mqtt | WARNING | Skipping "heap" due to error: No entity description
2024-12-21 22:27:45,893 | ecowitt2mqtt | WARNING | Skipping "interval" due to error: No entity description
2024-12-21 22:27:45,906 | ecowitt2mqtt | INFO | Published to Home Assistant MQTT Discovery
2024-12-21 22:28:45,891 | ecowitt2mqtt | INFO | Unknown device; please report it at https://github.com/bachya/ecowitt2mqtt (payload: FormData([('PASSKEY', 'ABC123'), ('stationtype', 'GW2000B_V3.1.8'), ('runtime', '1859'), ('heap', '143900'), ('dateutc', '2024-12-22 06:28:45'), ('tempinf', '68.72'), ('humidityin', '57'), ('baromrelin', '29.952'), ('baromabsin', '29.952'), ('freq', '915M'), ('model', 'GW2000B'), ('interval', '60')]))
2024-12-21 22:28:45,894 | ecowitt2mqtt | WARNING | Skipping "heap" due to error: No entity description
2024-12-21 22:28:45,895 | ecowitt2mqtt | WARNING | Skipping "interval" due to error: No entity description
2024-12-21 22:28:45,910 | ecowitt2mqtt | INFO | Published to Home Assistant MQTT Discovery
2024-12-21 22:29:45,890 | ecowitt2mqtt | INFO | Unknown device; please report it at https://github.com/bachya/ecowitt2mqtt (payload: FormData([('PASSKEY', 'ABC123'), ('stationtype', 'GW2000B_V3.1.8'), ('runtime', '1919'), ('heap', '143900'), ('dateutc', '2024-12-22 06:29:45'), ('tempinf', '68.72'), ('humidityin', '57'), ('baromrelin', '29.955'), ('baromabsin', '29.955'), ('freq', '915M'), ('model', 'GW2000B'), ('interval', '60')]))
2024-12-21 22:29:45,893 | ecowitt2mqtt | WARNING | Skipping "heap" due to error: No entity description
2024-12-21 22:29:45,894 | ecowitt2mqtt | WARNING | Skipping "interval" due to error: No entity description
2024-12-21 22:29:45,909 | ecowitt2mqtt | INFO | Published to Home Assistant MQTT Discovery

Screenshot

[bachya]

I'm unable to reproduce this. When using your example payload, I see the device parsed correctly:

Are you using an up-to-date version of ecowitt2mqtt?