old_contents: #from atelier import
  from atelier.tasks import ns, setup_from_tasks
  setup_from_tasks(globals(), "atelier")
  revision_control_system = 'git'
  
new_contents: from atelier.tasks import ns, setup_from_tasks
  
  setup_from_tasks(globals(), "atelier")
  ns.configure({'revision_control_system': 'git'})
  
subject: Update tasks file according to the new invoke concept #357