Failed to setup sureha when HA starts

[seafoodrice]

Error occurred when setting up the integration during HA Core version 2021.10.6 starts.

2021-10-21 21:14:37 ERROR (MainThread) [custom_components.sureha] Unexpected error fetching sureha_sensors data: object of type 'int' has no len()
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/sureha/init.py", line 98, in async_update_data
return await spc.surepy.get_entities(refresh=True)
File "/usr/local/lib/python3.9/site-packages/surepy/init.py", line 391, in get_entities
await self.get_latest_anonymous_drinks(household_id=household_id)
File "/usr/local/lib/python3.9/site-packages/surepy/init.py", line 216, in get_latest_anonymous_drinks
household_timeline = await self.get_household_timeline(household_id, entries=50)
File "/usr/local/lib/python3.9/site-packages/surepy/init.py", line 266, in get_household_timeline
if timeline := await self.sac.call(method="GET", resource=resource):
File "/usr/local/lib/python3.9/site-packages/surepy/client.py", line 281, in call
responselen = len(response_data.get("data", 0))
TypeError: object of type 'int' has no len()

I just had the feeder connect and Felaqua setup and may not have data in the account.

thanks in advance.