Fix classy.md header levels #200

	name: test-pippin
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	workflow_dispatch:

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.7", "3.8", "3.9", "3.10"]

	steps:
	- name: Check out repository code
	uses: actions/checkout@v2

	- name: Setup 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 setuptools wheel
	pip install -r requirements.txt
	pip install -r requirements_dev.txt
	pip install -U numpy

	- name: Setup pippin
	run: \|
	python setup.py sdist

	- name: Test pippin
	run: \|
	pytest -v .
	env:
	SNANA_DIR: SNANA_DIR

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