formats:
    - htmlzip
    - pdf
python:
    version: 3
    pip_install: true
    extra_requirements:
        - docs

version: 2
formats:
    - htmlzip
    - pdf
build:
    image: stable
python:
    version: 3.7
    install:
        - method: pip
          path: .
          extra_requirements:
              - docs
sphinx:
    builder: html
    configuration: docs/conf.py
    fail_on_warning: true

Use v2 format for RTFD configuration, add some options
Use v2 format for RTFD configuration, add some options
