old_contents: ''' The Stim hierarchy contains pliers representations of any object from
  which features can potentially be extracted. '''
  
  from .base import load_stims
  from .api import TweetStim, TweetStimFactory
  from .audio import AudioStim
  from .compound import CompoundStim, TranscribedAudioCompoundStim
  from .image import ImageStim
  from .text import TextStim, ComplexTextStim
  from .video import VideoStim, VideoFrameCollectionStim, VideoFrameStim
  
  
  __all__ = [
      'AudioStim',
      'CompoundStim',
      'TranscribedAudioCompoundStim',
      'ImageStim',
      'TextStim',
      'ComplexTextStim',
      'VideoStim',
      'VideoFrameCollectionStim',
      'VideoFrameStim',
      'TweetStimFactory',
      'TweetStim',
      'load_stims'
  ]
  
new_contents: ''' The Stim hierarchy contains pliers representations of any object from
  which features can potentially be extracted. '''
  
  from .base import load_stims
  from .api import TweetStim, TweetStimFactory
  from .audio import AudioStim
  from .compound import CompoundStim, TranscribedAudioCompoundStim
  from .image import ImageStim
  from .text import TextStim, ComplexTextStim
  from .vector import VectorStim
  from .video import VideoStim, VideoFrameCollectionStim, VideoFrameStim
  
  
  __all__ = [
      'AudioStim',
      'CompoundStim',
      'TranscribedAudioCompoundStim',
      'ImageStim',
      'TextStim',
      'ComplexTextStim',
      'VectorStim',
      'VideoStim',
      'VideoFrameCollectionStim',
      'VideoFrameStim',
      'TweetStimFactory',
      'TweetStim',
      'load_stims'
  ]
  
subject: add stimtype to init