old_contents: from . import atcommands, config, controlloop, navdata, videostream
  
  __all__ = ['atcommands', 'config', 'controlloop', 'navdata', 'videostream']
  
new_contents: from . import atcommands, config, controlloop, navdata
  
  __all__ = ['atcommands', 'config', 'controlloop', 'navdata']
  
subject: remove reference to non-existant module 'videostream'