old_contents: from app import api, db
  from hello import handlers as hello_handlers
  from user import handlers as user_handlers
  
  
  api.add_route("/", hello_handlers.HelloResource())
  api.add_route('/user', user_handlers.UserResource(db))
  
new_contents: from app import api
  from hello import handlers as hello_handlers
  from user import handlers as user_handlers
  
  
  api.add_route("/", hello_handlers.HelloResource())
  api.add_route('/user', user_handlers.UserResource())
  
subject: Move db elsewhere