Fixed typo in requirements. #204

	name: McStasScript unit tests on ubuntu

	on:
	push:
	workflow_dispatch:

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

	steps:
	- name: Temporary developer McStasScript checkout
	uses: actions/checkout@v3
	with:
	ref: ${{ github.ref }}
	path: mcstasscript

	- name: Temporary developer libpyvinyl checkout
	uses: actions/checkout@v3
	with:
	repository: PaNOSC-ViNYL/libpyvinyl
	ref: remove_pint_pin
	path: libpyvinyl

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies (libpyvinyl)
	run: \|
	cd libpyvinyl
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install -e .
	pip install pytest

	- name: Install dependencies (mcstasscript)
	run: \|
	cd mcstasscript
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install -e .
	pip install pytest

	- name: Show file structure
	run: tree .

	- name: Run unit tests
	run: python -m pytest mcstasscript/mcstasscript/tests/

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