@requires_duration
@apply_to_mask
@apply_to_audio
def time_mirror(self):
 return self.fl_time((lambda t: (self.duration - t)), keep_duration=True)

@ requires_duration @ apply_to_mask @ apply_to_audio def time_mirror ( self ) : return self . fl_time ( ( lambda t : ( self . duration - t ) ) , keep_duration = True )
returns a clip that plays the current clip backwards .