Integration configuration fails with 'Retrying setup: 0'

[MrDeon]

Have tried a few times to move from the official Envoy integration to this one, and each time the integration fails to complete setup. The integration status shows as Retrying Setup: 0

Logs show:

Unexpected error fetching envoy Envoy 122121001072 data: 0
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 187, in _async_refresh
    self.data = await self._async_update_data()
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 147, in _async_update_data
    return await self.update_method()
  File "/config/custom_components/enphase_envoy/__init__.py", line 63, in async_update_data
    battery_data = await envoy_reader.battery_storage()
  File "/config/custom_components/enphase_envoy/envoy_reader.py", line 721, in battery_storage
    if len(ensemble_json) > 0 and "devices" in ensemble_json[0].keys():
KeyError: 0

[briancmpbll]

That looks like an array index error, but the length check should guard against it. I'm not super familiar with python though. You should add an issue to https://github.com/DanBeard/envoy_reader, since this is his code.