Fix PyYaml Cython 3 Incompatibility Issue #173

	name: Check PyPI Build
	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Setup python
	uses: actions/setup-python@v1
	with:
	python-version: '3.9'
	architecture: x64
	- name: Install Dependencies
	run: \|
	python -m pip install rdkit-pypi
	python -m pip install networkx==2.1
	python -m pip install pycodestyle autopep8
	python -m pip install -r requirements.txt
	python -m pip install -e .
	python -m pip install build

	- name: Check Errors
	run: \|
	python -m build

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