Make tests pass for python 3.6 #119

	name: Tests
	on: [push, pull_request]
	jobs:
	build:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: [3.6, 3.7, 3.8, 3.9, '3.10', 3.11]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: run tests
	env:
	STACK_DATA_SLOW_TESTS: 1
	run: \|
	pip install --upgrade pip
	pip install --upgrade coveralls setuptools setuptools_scm pep517
	pip install .[tests]
	coverage run --source stack_data -m pytest
	coverage report -m
	- name: Coveralls Python
	uses: AndreMiras/coveralls-python-action@v20201129
	with:
	parallel: true
	flag-name: test-${{ matrix.python-version }}
	coveralls_finish:
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Coveralls Finished
	uses: AndreMiras/coveralls-python-action@v20201129
	with:
	parallel-finished: true

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