code: def verify(self, obj):
          
  
          if not isinstance(obj, int):
              raise ValidationError("Object is not a int", reason='object is not a int', object=obj,
                                    type=type(obj), int_type=int)
  
          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.