class_docstr: Base class for a message defect.
class_docstr_tok: ["Base","class","for","a","message","defect","."]
code: def __init__(self, line=None):
      if line is not None:
          super().__init__(line)
      self.line = line
  
label_desc: Use image node_id 1 to create a new MessageDefect object from inherited base classes: ValueError with example: obj = MessageDefect(line)