2018-11-04 00:58:42 ERROR (MainThread) [homeassistant.core] Error executing service <ServiceCall rest_command.octopi_connect (c:ea294f2a7b8f44039a7172fcbbb5d12d)>
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/aiohttp/connector.py", line 822, in _wrap_create_connection
    return await self._loop.create_connection(*args, **kwargs)
  File "uvloop/loop.pyx", line 1881, in create_connection
  File "uvloop/loop.pyx", line 1860, in uvloop.loop.Loop.create_connection
ConnectionRefusedError: [Errno 111] Connection refused

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/homeassistant/components/rest_command.py", line 103, in async_service_handler
    headers=headers
  File "/usr/local/lib/python3.6/site-packages/aiohttp/client.py", line 370, in _request
    timeout=timeout
  File "/usr/local/lib/python3.6/site-packages/aiohttp/connector.py", line 445, in connect
    proto = await self._create_connection(req, traces, timeout)
  File "/usr/local/lib/python3.6/site-packages/aiohttp/connector.py", line 757, in _create_connection
    req, traces, timeout)
  File "/usr/local/lib/python3.6/site-packages/aiohttp/connector.py", line 879, in _create_direct_connection
    raise last_exc
  File "/usr/local/lib/python3.6/site-packages/aiohttp/connector.py", line 862, in _create_direct_connection
    req=req, client_error=client_error)
  File "/usr/local/lib/python3.6/site-packages/aiohttp/connector.py", line 829, in _wrap_create_connection
    raise client_error(req.connection_key, exc) from exc
aiohttp.client_exceptions.ClientConnectorError: Cannot connect to host 192.168.1.85:8123 ssl:None [Connection refused]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/homeassistant/core.py", line 1177, in _event_to_service_call
    await service_handler.func(service_call)
  File "/usr/local/lib/python3.6/site-packages/homeassistant/components/rest_command.py", line 116, in async_service_handler
    _LOGGER.error("Client error %s.", request.url)
UnboundLocalError: local variable 'request' referenced before assignment