Implement blank_none option, satisfying #35 #48

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Flask-Parameter-Validation Unit Tests

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	cd flask_parameter_validation/test
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Test with Pytest
	run: \|
	cd flask_parameter_validation
	pytest

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