old_contents: __author__ = "Shyue Ping Ong, Anubhav Jain, Michael Kocher, Geoffroy Hautier, Will Richards, Dan Gunter, Shreyas Cholia, Vincent L Chevrier, Rickard Armiento"
  __date__ = "Jun 28, 2012"
  __version__ = "2.0.0"
  
  """
  Useful aliases for commonly used objects and modules.
  """
  from pymatgen.core.periodic_table import Element, Specie
  from pymatgen.core.structure import Structure, Molecule, Composition
  from pymatgen.core.lattice import Lattice
  from pymatgen.serializers.json_coders import PMGJSONEncoder, PMGJSONDecoder
  from pymatgen.electronic_structure.core import Spin, Orbital
  
new_contents: __author__ = "Shyue Ping Ong, Anubhav Jain, Michael Kocher, Geoffroy Hautier, Will Richards, Dan Gunter, Shreyas Cholia, Vincent L Chevrier, Rickard Armiento"
  __date__ = "Jun 28, 2012"
  __version__ = "2.0.0"
  
  """
  Useful aliases for commonly used objects and modules.
  """
  from pymatgen.core.periodic_table import Element, Specie
  from pymatgen.core.structure import Structure, Molecule, Composition
  from pymatgen.core.lattice import Lattice
  from pymatgen.serializers.json_coders import PMGJSONEncoder, PMGJSONDecoder
  from pymatgen.electronic_structure.core import Spin, Orbital
  from pymatgen.util.io_utils import file_open_zip_aware as openz
  
subject: Add an alias to file_open_zip_aware as openz.