from moto.core.exceptions import RESTError, JsonRESTError class EmrError(RESTError): code = 400 class InvalidRequestException(JsonRESTError): def __init__(self, message, **kwargs): super(InvalidRequestException, self).__init__( "InvalidRequestException", message, **kwargs ) class ValidationException(JsonRESTError): def __init__(self, message, **kwargs): super(ValidationException, self).__init__( "ValidationException", message, **kwargs )