(core) explicitly encode `str` printout as utf-8 to help Windows … #120

	name: Core Functions

	on: [push, pull_request]

	jobs:
	coreTest:
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11"]
	platform: [ubuntu-latest, macos-latest, windows-latest]
	fail-fast: false
	runs-on: ${{ matrix.platform }}
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: 'pyproject.toml'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install --upgrade setuptools
	python -m pip install wheel flask pytest
	python -m pip install -e .
	- name: Test with pytest
	run: \|
	pytest

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