class_docstr: Raised when training data is not provided
class_docstr_tok: ["Raised","when","training","data","is","not","provided"]
code: def __init__(self):
      message = "Training data is not provided."
      Exception.__init__(self, message)
      self.message = message
  
label_desc: Use image node_id 1 to create a new TrainingDataNotProvided object from inherited base classes: Exception with example: obj = TrainingDataNotProvided()