code: def find_package_modules(self, package, package_dir):
      modules = old_build_py.find_package_modules(
          self, package, package_dir
      )
  
      # Find build_src generated *.py files.
      build_src = self.get_finalized_command("build_src")
      modules += build_src.py_modules_dict.get(package, [])
  
      return modules
  
imports: from distutils.command.build_py import build_py
  from numpy.distutils.misc_util import is_string
label_desc: Use image node_id 2 for calling the build_py obj's underlying member method code with example usage: obj.find_package_modules(package, package_dir) and returns: modules