code: def __init__(self, error):
      msg = "Test error: '%s'" % error
      super(MetaflowTestException, self).__init__(msg)
  
imports: from metaflow.exception import MetaflowException
label_desc: Use image node_id 1 to create a new MetaflowTestException object from inherited base classes: MetaflowException with example: obj = MetaflowTestException(error)