fix readthedocs #111

	name: Check dependency specification

	on: [push, pull_request]

	jobs:
	test:
	strategy:
	matrix:
	python-version: [3.9, "3.10", "3.11"]

	runs-on: ubuntu-latest

	env:
	TEST_OPTS: "-rfsxEX -s"

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 100

	- name: Get tags
	run: git fetch --depth=1 origin +refs/tags/:refs/tags/

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

	- name: Get pip cache dir
	id: pip-cache
	run: echo "::set-output name=dir::$(pip cache dir)"

	- name: Setup caching
	uses: actions/cache@v2
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: pip-${{ matrix.python-version }}
	restore-keys: \|
	pip-${{ matrix.python-version }}

	- name: Install pint_pandas (just the bare minimum, no extras, no pre-installed dependencies)
	run: \|
	pip install .

	- name: Install pytest
	run: pip install pytest

	- name: Run Tests
	run: \|
	pytest $TEST_OPTS

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