old_contents: from .binary import (binary_erosion, binary_dilation, binary_opening,
                       binary_closing)
  from .grey import *
  from .selem import *
  from .ccomp import label
  from .watershed import watershed, is_local_maximum
  from ._skeletonize import skeletonize, medial_axis
  from .convex_hull import convex_hull_image
  from .greyreconstruct import reconstruction
  from .misc import remove_small_objects
  
new_contents: from .binary import (binary_erosion, binary_dilation, binary_opening,
                       binary_closing)
  from .grey import (erosion, dilation, opening, closing, white_tophat,
                     black_tophat, greyscale_erode, greyscale_dilate,
                     greyscale_open, greyscale_close, greyscale_white_top_hat,
                     greyscale_black_top_hat)
  from .selem import square, rectangle, diamond, disk, cube, octahedron, ball
  from .ccomp import label
  from .watershed import watershed, is_local_maximum
  from ._skeletonize import skeletonize, medial_axis
  from .convex_hull import convex_hull_image
  from .greyreconstruct import reconstruction
  from .misc import remove_small_objects
  
  
  __all__ = ['binary_erosion',
             'binary_dilation',
             'binary_opening',
             'binary_closing',
             'erosion',
             'dilation',
             'opening',
             'closing',
             'white_tophat',
             'black_tophat',
             'greyscale_erode',
             'greyscale_dilate',
             'greyscale_open',
             'greyscale_close',
             'greyscale_white_top_hat',
             'greyscale_black_top_hat',
             'square',
             'rectangle',
             'diamond',
             'disk',
             'cube',
             'octahedron',
             'ball',
             'label',
             'watershed',
             'is_local_maximum',
             'skeletonize',
             'medial_axis',
             'convex_hull_image',
             'reconstruction',
             'remove_small_objects']
  
subject: Add __all__ to morphology package