old_contents: 
  
  from ._config import load_js_libs
  from ._vis3d import Vis3d
  
  
  __all__ = ['Vis3d']
  
  
  load_js_libs()
  print('Open console to check js libs were loaded in page')
  
  
  
new_contents: 
  
  from ._config import load_js_libs
  from ._vis3d import Vis3d
  
  
  __all__ = ['Vis3d']
  
  
  load_js_libs()
  
subject: Remove init print