code: def gen_header(self):
      return "w"
  
imports: from distutils.dir_util import remove_tree, mkpath
  from distutils import log
  from types import CodeType
  import sys
  import os
  import re
  import textwrap
  import marshal
  from setuptools.extension import Library
  from setuptools import Command
  from .._path import ensure_directory
  from sysconfig import get_path, get_python_version
label_desc: Use image node_id 9 for calling the bdist_egg obj's underlying member method code with example usage: obj.gen_header() and returns: str