refine new tutorial #372

	name: test-mim

	on:
	push:
	paths:
	- 'model-index.yml'
	- 'configs/**'

	pull_request:
	paths:
	- 'model-index.yml'
	- 'configs/**'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build_cpu:
	runs-on: ubuntu-18.04
	strategy:
	matrix:
	python-version: [3.7]
	torch: [1.8.0]
	include:
	- torch: 1.8.0
	torch_version: torch1.8
	torchvision: 0.9.0
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Upgrade pip
	run: pip install pip --upgrade
	- name: Install PyTorch
	run: pip install torch==${{matrix.torch}}+cpu torchvision==${{matrix.torchvision}}+cpu -f https://download.pytorch.org/whl/torch_stable.html
	- name: Install openmim
	run: pip install openmim
	- name: Build and install
	run: rm -rf .eggs && mim install -e .
	- name: test commands of mim
	run: mim search mmrotate

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