Fix the pickle error when dumping an estimator #344


	name: Tests

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	python-version: [ '3.8', '3.9', '3.10', '3.11']
	os: [ubuntu-latest, windows-latest, macOS-latest]
	include:
	- os: ubuntu-latest
	path: ~/.cache/pip
	- os: macos-latest
	path: ~/Library/Caches/pip
	- os: windows-latest
	path: ~\AppData\Local\pip\Cache
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- uses: actions/cache@v3
	with:
	path: ${{ matrix.path }}
	key: ${{ runner.os }}-pip-${{ hashFiles('dev-requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install --upgrade --upgrade-strategy eager -r dev-requirements.txt -e .
	- name: Test with pytest
	run: \|
	pytest sklearn_genetic/ --verbose --color=yes --assert=plain --cov-fail-under=95 --cov-config=.coveragerc --cov=./ -p no:warnings
	- name: "Upload coverage to Codecov"
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	fail_ci_if_error: true

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