Change default value for dissipative to None #931

	name: tox pytests

	on:
	push:
	branches:
	- main
	- dev
	pull_request:
	branches:
	- main
	- dev
	workflow_dispatch:
	schedule:
	- cron: "0 5 * * 6" # 5:00 UTC every Saturday

	jobs:
	pytest:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v1
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions coverage coveralls
	- name: Test with tox
	run: tox

	- name: Check test coverage
	run: coverage report -m --fail-under=${{ matrix.vcs == 'bzr' && 84 \|\| 85 }}

	- name: Report to coveralls
	run: coveralls
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	COVERALLS_SERVICE_NAME: github

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