build: switch from mamba to Poetry #4

	name: pytest

	on:
	pull_request:
	push:
	branches: [main]

	jobs:
	pytest:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'
	cache: 'pip' # caching pip dependencies
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install .
	- name: Run tests
	run: \|
	python -m pytest

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