<NME> python-package.yml
<BEF> # Run `make lint test`: flake8 and pytest.
name: python-lint-test

on:
  push:
    branches: [ master ]
  pull_request:
  workflow_dispatch:

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [3.7, 3.8, 3.9]

    steps:
    - uses: actions/checkout@v2
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
        python -m pip install --upgrade pip
        python -m pip install flake8 pytest
        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
    - name: Lint with flake8
      run: |
        make lint-ci
    - name: Test with pytest
      run: |
        make -B test

<MSG> Convert flake8 linter output into GitHub annotations

<DFF> @@ -28,6 +28,8 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Set up flake8 annotations
+      uses: rbialon/flake8-annotations@v1
     - name: Lint with flake8
       run: |
         make lint-ci

Convert flake8 linter output into GitHub annotations