Return the last timestamp where an expert is valid #73

	name: Python tests
	on:
	pull_request:
	jobs:
	build_py:
	runs-on: ubuntu-latest
	steps:
	- run: echo "The job was automatically triggered by a ${{ github.event_name }} event."
	- run: echo "This job is now running on a ${{ runner.os }} server."
	- run: echo "Running on branch ${{ github.ref }} of repository ${{ github.repository }}."
	- name: Check out repository code.
	uses: actions/checkout@v2
	- name: Install dependencies.
	run: \|
	sudo apt-get update
	sudo apt-get install libsfml-dev
	git submodule sync
	git submodule update --init --recursive
	- name: Setup Conda environment.
	uses: conda-incubator/setup-miniconda@v2
	with:
	activate-environment: nocturne
	environment-file: environment.yml
	python-version: 3.8.11
	- name: Test Conda environment.
	shell: bash -l {0}
	run: \|
	conda info
	conda env list
	which python
	- name: Build Python nocturne library.
	shell: bash -l {0}
	run: \|
	cd ${{ github.workspace }}
	python setup.py develop
	- name: Run Python tests.
	shell: bash -l {0}
	run: \|
	cd ${{ github.workspace }}
	pytest
	# find ./tests -name test_\*.py -print0 \| xargs -d $'\n' sh -c 'for arg do printf "\n\nRunning Python test at $arg\n\n"; python $arg; done' _
	- run: echo "Job finished with status ${{ job.status }}."

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