migration_steps:

  - name: step_1
    complete_name: step_1__update__9.0
    version: 9.0
    action: update
    python: python2.7

  - name: step_2
    complete_name: step_2__upgrade__10.0
    version: 10.0
    action: upgrade
    python: python2.7

  - name: step_3
    complete_name: step_3__upgrade__11.0
    version: 11.0
    action: upgrade
    python: python3.5

  - name: step_4
    complete_name: step_4__upgrade__12.0
    version: 12.0
    action: upgrade
    python: python3.6

  - name: step_5
    complete_name: step_5__update__12.0
    version: 12.0
    action: update
    python: python3.6