code: def _get_homophone(char):
      ch = CnHomophones(get_pos=True)
      return ch.homophones(char, n=1)[0]
  
file_path: textflint/textflint/generation/transformation/NERCN/ent_typos.py
imports: from ....common.utils.word_op import *
  from ..transformation import Transformation
  from ....common.utils.list_op import trade_off_sub_words
  from textflint.generation.transformation.UTCN import CnHomophones
label_desc: Use image node_id 2 for calling a global function with example usage: _get_homophone(char) and returns: ch