update python version #475

	name: check README.md style

	on: [push, pull_request]

	jobs:
	check_style:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- name: Set up Python 3.10
	uses: actions/setup-python@v1
	with:
	python-version: "3.10"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install mistune==2.0.0a4
	- name: Check Style
	id: check_style
	run: ./parser.py ./README.md

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