[pre-commit.ci] pre-commit autoupdate #84

	name: Black formatter

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	black-check:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install black
	- name: Run black check
	run: \|
	python -m black --check .

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