old_contents: from app import manager
  
  
  @manager.command
  def hello(name):
      "Just say hello"
      print("hello", name)
  
new_contents: from app import manager
  
  
  @manager.command
  def hello(name):
      "Just say hello"
      greeting = "hello %s" % name
      print(greeting)
  
subject: update command example to string