code: def wrap(self, value):
          ''' Validates ``value`` and wraps it with ``ComputedField.computed_type``'''
          self.validate_wrap(value)
          return self.computed_type.wrap(valuef wrap(self, value):
          ''' Validates ``value`` and wraps it with ``ComputedField.computed_type``'''
          self.validate_wrap(value)
          return self.computed_type.wrap(value)
docs: Validates ``value`` and wraps it with ``ComputedField.computed_type``