TypeError: 'SunSpecModbusClientGroup' object is not iterable

[cryptedx]

Version of the custom_component

sunspec 0.0.25 Home Assistant 2024.5.2

Configuration

Describe the bug

I have a SMA Sunny Tripower X 25 and installed everything the first time. No entities are showing up on my HA instance.

Debug log

Logger: homeassistant.components.sensor
Quelle: helpers/entity_platform.py:356
Integration: Sensor ([Dokumentation](https://www.home-assistant.io/integrations/sensor), [Probleme](https://github.com/home-assistant/core/issues?q=is%3Aissue+is%3Aopen+label%3A%22integration%3A+sensor%22))
Erstmals aufgetreten: 14:53:19 (2 Vorkommnisse)
Zuletzt protokolliert: 15:07:07

Error while setting up sunspec platform for sensor
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/entity_platform.py", line 356, in _async_setup_platform
    await asyncio.shield(awaitable)
  File "/config/custom_components/sunspec/sensor.py", line 87, in async_setup_entry
    for key in model_wrapper.getKeys():
               ^^^^^^^^^^^^^^^^^^^^^^^
  File "/config/custom_components/sunspec/api.py", line 45, in getKeys
    for idx, group in enumerate(self._models[0].groups[group_name]):
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: 'SunSpecModbusClientGroup' object is not iterable