pin importlib for earlier versions of python #95

	on:
	push:
	branches:
	- "**"
	tags:
	- "v*"
	pull_request:
	branches:
	- main

	workflow_dispatch:

	jobs:
	static:
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v2

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

	- name: install test dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox

	- name: run tox
	run: tox
	env:
	TOXENV: static

	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version:
	- 3.7
	- 3.8
	- 3.9

	steps:
	- name: checkout
	uses: actions/checkout@v2

	- name: setup python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: start rabbitmq
	run: \|
	docker run -d --rm -p 15672:15672 -p 5672:5672 -p 5671:5671 --name nameko-rabbitmq ghcr.io/nameko/nameko-rabbitmq:3.6.6

	- name: install test dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox

	- name: run tox
	run: tox
	env:
	TOXENV: py${{ matrix.python-version }}-test

	distribute:
	runs-on: ubuntu-latest
	needs:
	- static
	- test
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')

	steps:
	- name: checkout
	uses: actions/checkout@v2

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

	- name: generate distributables
	run: \|
	pip install wheel
	python setup.py sdist bdist_wheel

	- name: publish to pypi
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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