348         if callable(gen):

   348         if callable(gen):

   349             return gen()

   349             return gen()

   350         return gen

   350         return gen

   351 

   351 

   352     def tobool(self, context, mapping):

   352     def tobool(self, context, mapping):

   354 

   355 

   355     def tovalue(self, context, mapping):

   356     def tovalue(self, context, mapping):

   356         return _unthunk(context, mapping, self._value)

   357         return _unthunk(context, mapping, self._value)

   357 

   358 

   358 class _mappingsequence(wrapped):

   359 class _mappingsequence(wrapped):