old_contents: from __future__ import division, absolute_import
  
  # If we're in the source directory, don't import anything, since that
  # requires 2to3 to be run.
  from astropy import setup_helpers
  if setup_helpers.is_in_build_mode():
      pass
  else:
      del setup_helpers
      from .exceptions import *
  
new_contents: from __future__ import division, absolute_import
  
  # If we're in the source directory, don't import anything, since that
  # requires 2to3 to be run.
  from astropy import setup_helpers
  if setup_helpers.is_in_build_mode():
      pass
  else:
      del setup_helpers
      from .table import parse, parse_single_table
      from .exceptions import VOWarning, VOTableChangeWarning, \
           VOTableSpecWarning, UnimplementedWarning, IOWarning, \
           VOTableSpecError
  
  
subject: Change the set of things imported into astropy.io.vo.__init__