title: Top level object in './docker-compose.yml' needs to be an object not '<class 'NoneType'>'
body: <p>I'm using <code>python</code> 3.8, <code>Docker</code> version 19.03.13, build 4484c46d9d 3.8</p>
  <pre><code>version: '3.8'
  services:
    web:
      build: .
      command: python /code/manage.py runserver 0.0.0.0:8000
    volumes:
      - .:/code
    ports:
      - 8000:8000
  </code></pre>