old_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  Astronomical and physics constants in SI units.  See :mod:`astropy.constants`
  for a complete listing of constants defined in Astropy.
  """
  
  
  
  import itertools
  
  from .constant import Constant
  from . import codata2014, iau2015
  
  for _nm, _c in itertools.chain(sorted(vars(codata2014).items()),
                                 sorted(vars(iau2015).items())):
      if (isinstance(_c, Constant) and _c.abbrev not in locals()
           and _c.system == 'si'):
          locals()[_c.abbrev] = _c
  
new_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  Astronomical and physics constants in SI units.  See :mod:`astropy.constants`
  for a complete listing of constants defined in Astropy.
  """
  
  
  
  import itertools
  
  from .constant import Constant
  from . import codata, iaudata
  
  for _nm, _c in itertools.chain(sorted(vars(codata).items()),
                                 sorted(vars(iaudata).items())):
      if (isinstance(_c, Constant) and _c.abbrev not in locals()
           and _c.system == 'si'):
          locals()[_c.abbrev] = _c
  
subject: use constants specified in config in si