Avoid errors when changing data by checking variables (#45) #50

	name: Check the code style

	on:
	workflow_dispatch:
	push:
	branches: [main]
	paths: ["**.py"]
	pull_request:
	branches: [main]
	paths: ["**.py"]

	jobs:
	black:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: "3.7"
	- name: Install black
	run: pip install black
	- name: Run the black formatter
	run: black --diff --check .
	isort:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: "3.7"
	- name: Install isort
	run: pip install isort
	- name: Run the isort linter
	run: isort --diff --check .
	flake8:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: "3.7"
	- name: Install flake8
	run: pip install pyproject-flake8
	- name: Run the flake8 linter
	run: pflake8 .

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