fixes old faithful example #70

	name: train and evaluate old faithful model
	on: [push]
	jobs:
	run:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.9'
	- uses: actions/setup-node@v1
	with:
	node-version: '16'
	- uses: iterative/setup-cml@v1
	- name: cml
	env:
	REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	pip install '.[train]'
	python cml/old_faithful.py

	echo '# Old Faithful' >> report.md

	echo '## Learning Curve' >> report.md
	echo '![](artifacts/old_faithful/of_hist.png)' >> report.md

	echo '## Metrics' >> report.md
	cat metrics/old_faithful/of_metrics.txt >> report.md

	echo '## Parameter Vector' >> report.md
	cat artifacts/old_faithful/of_pvector.txt >> report.md

	echo '## Flow' >> report.md
	cat artifacts/old_faithful/of_flow.png >> report.md

	echo '## Results' >> report.md
	echo '![](artifacts/old_faithful/of_dist.png)' >> report.md
	cml comment create report.md

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