new_contents: #!/usr/bin/env python
  # coding=utf-8
  from app import app
  from flask.ext.script import Manager, Server
  
  manager = Manager(app)
  
  manager.add_command("start", Server(host="0.0.0.0", port=5000, use_debugger=True))
  
  if __name__ == '__main__':
      manager.run()
  
subject: update manage