old_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  An Astropy affiliated package for photometry.
  """
  
  # Affiliated packages may add whatever they like to this file, but
  # should keep this content at the top.
  # ----------------------------------------------------------------------------
  from ._astropy_init import *
  # ----------------------------------------------------------------------------
  
  if not _ASTROPY_SETUP_:
      from .aperture import *
      from .background import *
      from .centroids import *
      from .detection import *
      from .morphology import *
      from .psf import *
      from .segmentation import *
  
new_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  Photutils is an Astropy affiliated package to provide tools for
  detecting and performing photometry of astronomical sources.  It also
  has tools for background estimation, PSF matching, centroiding, and
  morphological measurements.
  """
  
  # Affiliated packages may add whatever they like to this file, but
  # should keep this content at the top.
  # ----------------------------------------------------------------------------
  from ._astropy_init import *
  # ----------------------------------------------------------------------------
  
  if not _ASTROPY_SETUP_:
      from .aperture import *
      from .background import *
      from .centroids import *
      from .detection import *
      from .morphology import *
      from .psf import *
      from .segmentation import *
  
subject: Update package docstring [skip ci]