Bump tox from 4.20.0 to 4.21.2 #260

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Run Tests

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/[email protected]
	- name: Set up Python 3.8
	uses: actions/[email protected]
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	pip install tox
	- name: Run tox
	run: \|
	tox

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