Update fakemodel.go #450

	name: PyTorch

	on: [push, pull_request]

	jobs:
	test:
	# https://help.github.com/en/articles/virtual-environments-for-github-actions#supported-virtual-environments
	runs-on: ubuntu-18.04

	# https://help.github.com/en/actions/automating-your-workflow-with-github-actions/using-environment-variables
	env:
	PYTHONWARNINGS: 'ignore'

	steps:
	- uses: actions/checkout@v1
	- name: Set up Python
	uses: actions/setup-python@v1
	with:
	python-version: 3.6

	- run: \|
	nproc
	echo $PATH

	# FIXME: don't install tensorflow
	- run: pip install -r tests/requirements.txt
	- run: pip install torch==1.5

	- run: pip install --no-index . # install kungfu tensorflow

	- run: \|
	rm setup.py
	ln -s setup_pytorch.py setup.py
	pip install --no-index .

	- run: python ./examples/torch_simple_example.py

	- run: kungfu-run -q -np 2 python ./examples/torch_simple_example.py

	- run: \|
	for np in $(echo 1 2 3 4); do
	kungfu-run -q -H 127.0.0.1:$np -np $np python ./tests/python/integration/test_torch_ops.py
	done

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