Argument of type 'NoneType' is not iterable

Just upgraded to 2022.3.4

Logger: homeassistant.components.websocket_api.http.connection
Source: helpers/config_validation.py:799
Integration: Home Assistant WebSocket API (documentation, issues)
First occurred: 1:54:44 PM (3 occurrences)
Last logged: 1:55:47 PM

[140315217854672] argument of type ‘NoneType’ is not iterable
Traceback (most recent call last):
File “/usr/src/homeassistant/homeassistant/components/websocket_api/commands.py”, line 192, in handle_call_service
await hass.services.async_call(
File “/usr/src/homeassistant/homeassistant/core.py”, line 1636, in async_call
task.result()
File “/usr/src/homeassistant/homeassistant/core.py”, line 1673, in _execute_service
await cast(Callable[[ServiceCall], Awaitable[None]], handler.job.target)(
File “/usr/src/homeassistant/homeassistant/components/hassio/init.py”, line 596, in async_handle_core_service
errors = await conf_util.async_check_ha_config_file(hass)
File “/usr/src/homeassistant/homeassistant/config.py”, line 928, in async_check_ha_config_file
res = await check_config.async_check_ha_config_file(hass)
File “/usr/src/homeassistant/homeassistant/helpers/check_config.py”, line 233, in async_check_ha_config_file
p_validated = platform_schema(p_validated)
File “/usr/local/lib/python3.9/site-packages/voluptuous/validators.py”, line 218, in call
return self._exec((Schema(val) for val in self.validators), v)
File “/usr/local/lib/python3.9/site-packages/voluptuous/validators.py”, line 337, in _exec
v = func(v)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 272, in call
return self._compiled([], data)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 817, in validate_callable
return schema(data)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 272, in call
return self._compiled([], data)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 594, in validate_dict
return base_validate(path, iteritems(data), out)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 386, in validate_mapping
cval = cvalue(key_path, value)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 817, in validate_callable
return schema(data)
File “/usr/src/homeassistant/homeassistant/helpers/config_validation.py”, line 530, in verify
return cast(dict, schema(value))
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 272, in call
return self._compiled([], data)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 594, in validate_dict
return base_validate(path, iteritems(data), out)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 386, in validate_mapping
cval = cvalue(key_path, value)
File “/usr/local/lib/python3.9/site-packages/voluptuous/validators.py”, line 215, in _run
return self._exec(self._compiled, value, path)
File “/usr/local/lib/python3.9/site-packages/voluptuous/validators.py”, line 339, in _exec
v = func(path, v)
File “/usr/local/lib/python3.9/site-packages/voluptuous/schema_builder.py”, line 817, in validate_callable
return schema(data)
File “/usr/src/homeassistant/homeassistant/helpers/config_validation.py”, line 799, in validator
if key in config:
TypeError: argument of type ‘NoneType’ is not iterable

Did you ever solve this? I just got the same thing upgrading to 2023.10.1