Alejandro Rivera 937b951727 Fix rest_command UnboundLocalError in exception handling (#38656)
```
2020-08-07 22:38:10 ERROR (MainThread) [homeassistant.components.websocket_api.http.connection.3903193064] local variable 'response' referenced before assignment
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/rest_command/__init__.py", line 115, in async_service_handler
    async with getattr(websession, method)(
  File "/usr/local/lib/python3.8/site-packages/aiohttp/client.py", line 1012, in __aenter__
    self._resp = await self._coro
  File "/usr/local/lib/python3.8/site-packages/aiohttp/client.py", line 582, in _request
    break
  File "/usr/local/lib/python3.8/site-packages/aiohttp/helpers.py", line 586, in __exit__
    raise asyncio.TimeoutError from None
asyncio.exceptions.TimeoutError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/websocket_api/commands.py", line 125, in handle_call_service
    await hass.services.async_call(
  File "/usr/src/homeassistant/homeassistant/core.py", line 1281, in async_call
    task.result()
  File "/usr/src/homeassistant/homeassistant/core.py", line 1316, in _execute_service
    await handler.func(service_call)
  File "/usr/src/homeassistant/homeassistant/components/rest_command/__init__.py", line 137, in async_service_handler
    _LOGGER.warning("Timeout call %s", response.url, exc_info=1)
UnboundLocalError: local variable 'response' referenced before assignment
```
2020-08-08 10:56:39 +02:00
2020-07-13 15:55:20 +02:00
2020-08-07 08:56:28 +02:00
2020-08-06 12:14:39 +02:00
2020-03-23 00:39:37 +01:00
2020-04-27 12:09:31 +02:00
2020-08-06 11:18:05 +02:00
2020-07-13 15:55:20 +02:00
2017-10-24 19:36:27 -07:00
2020-08-07 08:56:28 +02:00
2019-12-10 09:22:37 +01:00
2020-07-13 15:55:20 +02:00

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