code: def _find_similar_module_names(self):
      if self.source_path is None:
          return None
      files = os.listdir(self.source_path)
      print("source matches are", files)
      similar_names = difflib.get_close_matches(self.module_name, files)
      return similar_names[0] if similar_names else None
  
imports: import os
  import sys
  import importlib.util
  from abc import ABC, abstractmethod
  import json
  import yaml
  import difflib
label_desc: Use image node_id 6 for calling the Loader obj's underlying member method code with example usage: obj._find_similar_module_names() and returns: unknown, None