Traceback (most recent call last):


 "/usr/local/lib/python3.7/site-packages/aiohttp/web_protocol.py", line 418, in start

resp = await task


 "/usr/local/lib/python3.7/site-packages/aiohttp/web_app.py", line 458, in _handle

resp = await handler(request)


 "/usr/local/lib/python3.7/site-packages/aiohttp/web_middlewares.py", line 119, in impl

return await handler(request)


 "/usr/src/homeassistant/homeassistant/components/http/real_ip.py", line 39, in real_ip_middleware

return await handler(request)


 "/usr/src/homeassistant/homeassistant/components/http/ban.py", line 72, in ban_middleware

return await handler(request)


 "/usr/src/homeassistant/homeassistant/components/http/auth.py", line 127, in auth_middleware

return await handler(request)


 "/usr/src/homeassistant/homeassistant/components/http/view.py", line 123, in handle

result = await result


 "/usr/src/homeassistant/homeassistant/components/config/config_entries.py", line 204, in post

return await super().post(request)


 "/usr/src/homeassistant/homeassistant/components/http/data_validator.py", line 50, in wrapper

result = await method(view, request, *args, **kwargs)


 "/usr/src/homeassistant/homeassistant/helpers/data_entry_flow.py", line 62, in post

handler, context={"source": config_entries.SOURCE_USER}


 "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 109, in async_init

result = await self._async_handle_step(flow, flow.init_step, data)


 "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 172, in _async_handle_step

result: Dict = await getattr(flow, method)(user_input)


 "/usr/src/homeassistant/homeassistant/components/vizio/config_flow.py", line 128, in async_step_init

and CONF_EXCLUDE in self.config_entry.options.get(CONF_APPS)
TypeError: argument of type 'NoneType' is not iterable

Traceback (most recent call last):


 "eventHandler.pyc", line 152, in executeEvent


 "eventHandler.pyc", line 92, in __init__


 "eventHandler.pyc", line 107, in next


 "extensionPoints.pyc", line 135, in callWithSupportedKwargs


 "appModules\outlook.pyc", line 343, in event_stateChange


 "ui.pyc", line 67, in message


 "braille.pyc", line 1676, in message


 "braille.pyc", line 1296, in update
TypeError: cannot concatenate 'str' and 'NoneType' objects
