Allow [[tool.poetry.source]] to be defined without any URL #320

	on:
	push:
	branches:
	- master
	- ci-test
	pull_request:
	branches:
	- master

	name: Run Tox tests on Linux

	jobs:
	tox_test:
	name: Tox test
	steps:
	- name: Checkout micropipenv
	uses: actions/checkout@v2
	- name: Run Tox tests
	id: test
	uses: fedora-python/tox-github-action@main
	with:
	tox_env: ${{ matrix.tox_env }}
	dnf_install: /usr/bin/make
	strategy:
	matrix:
	tox_env: [
	# This list has to be maintained manually :(
	# You can get it from `tox -l \| sed "s/$/,/"`
	py36-pip90-toml,
	py36-pip192-toml,
	py36-pip193-toml,
	py36-pip203-toml,
	py36-pip213-toml,
	py36-pip90-pytoml,
	py37-pip90-toml,
	py37-pip192-toml,
	py37-pip193-toml,
	py37-pip203-toml,
	py37-pip213-toml,
	py38-pip90-toml,
	py38-pip192-toml,
	py38-pip193-toml,
	py38-pip203-toml,
	py38-pip213-toml,
	py38-piplatest-toml,
	py38-pipgit-toml,
	py39-pip90-toml,
	py39-pip192-toml,
	py39-pip193-toml,
	py39-pip203-toml,
	py39-pip213-toml,
	py39-piplatest-toml,
	py39-pipgit-toml,
	py38-pip90-pytoml,
	py38-piplatest-pytoml,
	py38-pipgit-pytoml,
	py39-pip90-pytoml,
	py39-piplatest-pytoml,
	py39-pipgit-pytoml,
	py310-pip192-toml,
	py310-pip193-toml,
	py310-pip203-toml,
	py310-pip213-toml,
	py310-piplatest-toml,
	py310-pipgit-toml,
	py310-piplatest-pytoml,
	py310-pipgit-pytoml,
	py310-piplatest-tomli,
	py310-pipgit-tomli,
	py311-pip192,
	py311-pip193,
	py311-pip203,
	py311-pip213,
	py311-piplatest,
	py311-pipgit,
	py312-piplatest,
	py312-pipgit,
	mypy,
	]

	# Use GitHub's Linux Docker host
	runs-on: ubuntu-latest

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