old_contents: try:
      import openeye
  except Exception as e:
      print(e)
      print('Warning: Cannot import openeye toolkit; not all functionality will be available.')
  
  from ._version import get_versions
  __version__ = get_versions()['version']
  del get_versions
  
  #from . import typing
  #from . import topology
  #from . import utils
  
new_contents: from ._version import get_versions
  __version__ = get_versions()['version']
  del get_versions
  
  #from . import typing
  #from . import topology
  #from . import utils
  
subject: Fix #279: Warning raised in __init__ if openeye not installed