name: mypy

on:
  pull_request:
  push:
    branches:
      - master
  schedule:
    - cron: '0 0 * * *'

jobs:
  mypy:

    runs-on: ubuntu-latest
    strategy:
      max-parallel: 4
      matrix:
        python-version: [3.7, 3.8]

    steps:
    - uses: actions/checkout@v1
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        pip install --upgrade pip
        pip install mypy
    - name: Type checking with mypy
      run: mypy --ignore-missing-imports .
