add get_cache_dir in hydro_file which is same as the one in setup.py #20

	on:
	push:
	branches:
	- main
	- dev
	pull_request:
	branches:
	- main
	- dev

	name: build
	jobs:
	py-check:
	runs-on: ${{ matrix.config.os }}
	name: ${{ matrix.config.os }} (${{ matrix.config.py }})
	strategy:
	fail-fast: false
	matrix:
	config:
	- { os: windows-latest, py: "3.10" }
	- { os: macOS-latest, py: "3.10" }
	- { os: ubuntu-latest, py: "3.10" }

	env:
	SDKROOT: /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
	steps:
	- name: CHECKOUT CODE
	uses: actions/checkout@v3
	- name: SETUP PYTHON
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.config.py }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install --user --no-cache-dir Cython
	pip install --user -r requirements.txt
	pip install --user -r requirements_dev.txt
	- name: PKG-TEST
	run: \|
	python -m unittest discover tests/

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