old_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  This subpackage contains modules and packages to build point spread
  functions.
  """
  
  from .catalogs import *    # noqa
  from .centroid import *
  from .core import *
  from .epsf import *
  from .epsf_fitter import *
  from .models import *
  from .psf import *
  from .psfstars import *
  from .utils import *
  
new_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  This subpackage contains modules and packages to build point spread
  functions.
  """
  
  from .epsf import *
  from .epsf_fitter import *
  from .models import *
  from .psfstars import *
  
subject: Update subpackage imports