ch9

ch9 CI: set PYTHONPATH to repo root for imports #2

	name: ch9

	on:
	push:
	paths:
	- "ch9_model_based_planning/**"
	- ".github/workflows/ch9.yml"
	pull_request:
	paths:
	- "ch9_model_based_planning/**"
	- ".github/workflows/ch9.yml"

	jobs:
	test:
	runs-on: ubuntu-latest
	timeout-minutes: 20

	strategy:
	matrix:
	python-version: ["3.9"]

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install numpy>=1.23 matplotlib>=3.7 pytest

	- name: Run Chapter 9 tests
	shell: bash
	run: \|
	export PYTHONPATH="$GITHUB_WORKSPACE"
	python -m pytest -q ch9_model_based_planning/tests/test_ch9_mbrl.py

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