fix: chainsec audit fixes #719

	name: Lint

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	commits:
	runs-on: ubuntu-latest

	steps:
	- name: Check out github repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Run commitlint
	uses: wagoid/commitlint-github-action@v2

	black:
	runs-on: ubuntu-latest

	steps:
	- name: Check out github repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 1

	- name: Set up python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9

	- name: Set pip cache directory path
	id: pip-cache-dir-path
	run: \|
	echo "::set-output name=dir::$(pip cache dir)"
	- name: Restore pip cache
	uses: actions/cache@v2
	id: pip-cache
	with:
	path: \|
	${{ steps.pip-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	${{ runner.os }}-pip-
	- name: Install python dependencies
	run: pip install -r requirements.txt

	- name: Run black
	run: black --check .

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