Fix cancun behaviour at fork block #1876

	name: Python Specification

	on:
	push:
	branches:
	- master
	workflow_dispatch:
	pull_request:

	jobs:
	build:
	runs-on: self-hosted
	strategy:
	matrix:
	py: [ "3.10", "pypy3.10" ]

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: recursive

	- name: Install Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: "1.69.0"
	override: true

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.py }}

	- name: Install Tox and any other packages
	run: "pip install 'tox>=4.11,<5' requests"

	- name: Download Geth and add to $PATH
	run: \|
	mkdir -p $GITHUB_WORKSPACE/bin
	$GITHUB_WORKSPACE/scripts/download_geth_linux.py --dir $GITHUB_WORKSPACE/bin
	echo $GITHUB_WORKSPACE/bin >> $GITHUB_PATH

	- name: Run Tox (CPython)
	if: "${{ !startsWith(matrix.py, 'pypy') }}"
	run: tox -e static,optimized,py3

	- name: Run Tox (PyPy)
	if: "${{ startsWith(matrix.py, 'pypy') }}"
	run: tox -e pypy3
	env:
	PYPY_GC_MAX: "10G"

	- name: Upload coverage to Codecov
	if: "${{ !startsWith(matrix.py, 'pypy') }}"
	uses: codecov/codecov-action@v1
	with:
	files: .tox/coverage.xml
	flags: unittests

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