Allow method handlers to return json rpc errors #46

	name: Static code analysis

	on:
	push:
	branches:
	- develop

	pull_request:
	branches:
	- '*'

	jobs:
	build:
	name: Static code analysis
	runs-on: ubuntu-latest
	env:
	CI: 'true'
	OS: 'linux'
	timeout-minutes: 2
	steps:
	- uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: static-pip-${{ hashFiles('setup.py') }}
	restore-keys: static-pip-
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	# TODO: check with Python 3, but need to fix the
	# errors first
	python-version: '3.8'
	architecture: 'x64'
	- run: python -m pip install --upgrade pip setuptools
	- run: pip install -e .[test]
	- name: Pylint checks
	run: pylint pylsp_jsonrpc test
	- name: Code style checks
	run: pycodestyle pylsp_jsonrpc test
	- name: Pyflakes checks
	run: pyflakes pylsp_jsonrpc test

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