code: def __init__(self, name, doc):
      self.__doc__ = """{}: {}""".format(name, doc)
      super(ConstExpression, self).__init__(name=name, doc=doc)
  
imports: from ..utils import SchemaBase
label_desc: Use image node_id 1 to create a new ConstExpression object from inherited base classes: Expression with example: obj = ConstExpression(name, doc)