old_contents: __author__ = 'Alex Rogozhnikov'
  __version__ = '0.1'
  
  from .einops import rearrange, reduce, parse_shape, asnumpy, EinopsError
  
new_contents: __author__ = 'Alex Rogozhnikov'
  __version__ = '0.1'
  __all__ = ['rearrange', 'reduce', 'parse_shape', 'asnumpy', 'EinopsError']
  
  from .einops import rearrange, reduce, parse_shape, asnumpy, EinopsError
  
subject: add __all__ to minimize star-imports