old_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  The ccdproc package is a collection of code that will be helpful in basic CCD
  processing. These steps will allow reduction of basic CCD data as either a
  stand-alone processing or as part of a pipeline.
  """
  
  # Affiliated packages may add whatever they like to this file, but
  # should keep this content at the top.
  # ----------------------------------------------------------------------------
  from ._astropy_init import *
  # ----------------------------------------------------------------------------
  
  # set up namespace, unless we are in setup...
  if not _ASTROPY_SETUP_:
      from .core import *
      from .ccddata import *
      from .combiner import *
  
new_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  The ccdproc package is a collection of code that will be helpful in basic CCD
  processing. These steps will allow reduction of basic CCD data as either a
  stand-alone processing or as part of a pipeline.
  """
  
  # Affiliated packages may add whatever they like to this file, but
  # should keep this content at the top.
  # ----------------------------------------------------------------------------
  from ._astropy_init import *
  # ----------------------------------------------------------------------------
  
  # set up namespace, unless we are in setup...
  if not _ASTROPY_SETUP_:
      from .core import *
      from .ccddata import *
      from .combiner import *
      from .image_collection import *
  
subject: Add ImageFileCollection to ccdproc namespace