class_docstr: Template for categorizing.
class_docstr_tok: ["Template","for","categorizing","."]
code: def set_category_func(self, fn: Callable):
      self.category_fn = fn
  
imports: import argparse
  import glob
  import json
  import os
  import re
  from typing import Callable, List
  from linguistic_tree import LanguageTree
  from espnet2.utils.types import str2bool
label_desc: Use image node_id 2 for calling the Categorizer obj's underlying member method code with example usage: obj.set_category_func(fn) without return types