* Add context
* Add context to switch/light services
* Test set_state API
* Lint
* Fix tests
* Do not include context yet in comparison
* Do not pass in loop
* Fix Z-Wave tests
* Add websocket test without user
## Description:
Make typing checks more strict: add `--strict-optional` flag that forbids implicit None return type. This flag will become default in the next version of mypy (0.600)
Add `homeassistant/util/` to checked dirs.
## Checklist:
- [x] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
* Lazy loading of service descriptions
* Fix tests
* Load YAML in executor
* Return a copy of available services to allow mutations
* Remove lint
* Add zha/services.yaml
* Only cache descriptions for known services
* Remove lint
* Remove description loading during service registration
* Remove description parameter from async_register
* Test async_get_all_descriptions
* Remove lint
* Fix typos from multi-edit
* Remove unused arguments
* Remove unused import os
* Remove unused import os, part 2
* Remove unneeded coroutine decorator
* Only use executor for loading files
* Cleanups suggested in review
* Increase test coverage
* Fix races in existing tests
* Recorder exception catch for long state string
* Revert - Recorder exception catch for long state string
* Validate state length at core level
* Revert - this reverts commit 9d6bd017d9.
* Revert - Recorder exception catch for long state string
* Fix state TypeError
* Test for long state exception
* Add support for remove services / Reload script support
* Reload support for scripts
* Add more unittest for services
* Add unittest for script reload
* Address paulus comments
* Core cleanup: two stage shutdown
* fix spell
* fix
* add async logger to close
* change aiohttp to use CLOSE
* address paulus comments
* Fix tests
* Add unittest
* Move core servcie from core to components
* add new handler for signals/exception
* Static persistent id
* Move unittest
* fix coro/callback
* Add more unittest for new services
* Address comments
* Update __init__.py
* Check config before restarting.
* Make check_config on restart async
* don't check if notification service exists
* Use .communicate()
* Reduce the number of notifications. Add tests.
* Lazy initialise the worker pool
* Minimize pool initialization in core tests
* Fix tests on Python 3.4
* Remove passing in thread count to mock HASS
* Tests: Allow pool by default for threaded, disable for async
* Remove JobPriority for thread pool
* Fix wrong block_till_done
* EmulatedHue: Remove unused test code
* Zigbee: do not touch hass.pool
* Init loop in add_job
* Fix core test
* Fix random sensor test
Paulus Schoutsen
Jason Hu
Andrew Sayre
Anders Melchiorsen
Ville Skyttä
Paulus Schoutsen
Andrey
Johann Kellerman
Matthias Urlichs
milanvo
Daniel Høyer Iversen
Pascal Vizeli
Fabian Affolter