code: def get_source_files(self):
      return [module[-1] for module in self.find_all_modules()]
  
imports: import os
  import importlib.util
  import sys
  import glob
  from distutils.core import Command
  from distutils.errors import *
  from distutils.util import convert_path, Mixin2to3
  from distutils import log
label_desc: Use image node_id 13 for calling the build_py obj's underlying member method code with example usage: obj.get_source_files() and returns: unknown