fix metadata with missing & numerical saved as object #302

	name: Windows
	on:
	- pull_request
	- push
	jobs:
	run:
	runs-on: windows-latest
	env:
	OS: windows-latest
	PYTHON: "3.9"
	steps:
	- uses: actions/checkout@master
	with:
	fetch-depth: 0
	- name: Setup Python
	uses: actions/setup-python@master
	with:
	python-version: 3.9
	- name: "run builds (without neural network)"
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	pip install -e .[normal]

Provide feedback