Cheetah/Unspecified.py

   1 try:
   2     from ds.sys.Unspecified import Unspecified
   3 except ImportError:
   4     class _Unspecified:
   5         def __repr__(self):
   6             return 'Unspecified'
   7         def __str__(self):
   8             return 'Unspecified'
   9     Unspecified = _Unspecified()