code: def simple_wait(func):
      
      @wraps(func)
      def wrapper(*args, **kwargs):
          wait = Wait()
          wait.start()
          try:
              ret = func(*args, **kwargs)
          finally:
              wait.stop()
          sys.stdout.write('\n')
          return ret
      return wrapper
docs: Decorator for adding simple text wait animation to
      long running functions.
  
      Examples:
          >>> @animation.simple_wait
          >>> def long_running_function():
          >>>     ... 5 seconds later ...
          >>>     return