code: def verify(self, obj):
          
  
          if obj != self._literal:
              raise ValidationError("Object is not equal to literal",
                                    reason='%s is not equal to %s' % (str(obj), str(self._literal)), object=obj)
  
          return obj
docs: Verify that the object conforms to this verifier's schema
  
          Args:
              obj (object): A python object to verify
  
          Raises:
              ValidationError: If there is a problem verifying the dictionary, a
                  ValidationError is thrown with at least the reason key set indicating
                  the reason for the lack of validation.