code: def classes(self) -> List[str]:
      return list(self.idx2vocab.values())
  
file_path: Kashgari/kashgari/utils/multi_label.py
imports: from typing import List, Dict
  import numpy
  from kashgari.types import MultiLabelClassificationLabelVar
label_desc: Use image node_id 2 for calling the MultiLabelBinarizer obj's underlying member method code with example usage: obj.classes() and returns: list