Fix imports that fail under Cython 3.0 in language_level=3 mode #74

	name: Run tests
	on:
	pull_request:
	push:
	branches:
	- master

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	python-version: [3.6, 3.7, 3.8, 3.9, 3.11]
	# For the OS, ubuntu-latest is not compatible with Python 3.6 anymore,
	# so we can use ubuntu-20.04 that is compatible with 3.6 and 3.11
	# see: https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json
	os: [ubuntu-20.04, windows-latest]

	steps:
	- uses: actions/checkout@v2

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

	- name: Install dev-package
	run: \|
	python -m pip install --upgrade pip
	pip install -v -e .

	- name: Run tests
	run: \|
	pip install pytest
	pip install pandas
	pytest -ra --capture=no --showlocals

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