Improve `DataTypeError` message with `parametrized dimension` #362

	name: Check ONNX Backend using Python automated test

	on:
	push:
	branches: [master, staging]
	pull_request:

	env:
	RUST_BACKTRACE: 1
	RUST_VERSION: 1.72

	jobs:
	build_manylinux:
	name: Build and Test ONNX Backend
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: install llvmpipe and lavapipe
	run: \|
	sudo apt-get update -y -qq
	sudo add-apt-repository ppa:oibaf/graphics-drivers -y
	sudo apt-get update
	sudo apt install -y libegl1-mesa libgl1-mesa-dri libxcb-xfixes0-dev mesa-vulkan-drivers
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ env.RUST_VERSION }}
	profile: minimal
	override: true
	- name: test
	run: \|
	cd wonnx-py
	python3 -m venv .env
	source .env/bin/activate
	pip install --upgrade pip
	pip install maturin
	pip install -r requirements.txt
	maturin develop
	WGPU_BACKEND=vulkan pytest tests/test_onnx_backend.py

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