Fix CI errors #1248

	name: format check

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	- name: Setup Python.3.7.x
	uses: actions/setup-python@v1
	with:
	python-version: 3.7.x
	- name: Cache pip
	uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	${{ runner.os }}-
	- name: Install packages
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install Cython black==22.3.0 mypy==0.942 pylint==2.13.5 yapf isort
	- name: Build Cython
	run: \|
	pip install numpy # temporarily dependency fix
	pip install -e .
	- name: Check format
	run: \|
	./scripts/format
	- name: Linter
	run: \|
	./scripts/lint

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