code: def headers(self):
      return {
          "Authorization": f"Bearer {self.token}",
      }
  
imports: import json
  import subprocess
  import re
  import os
  import base64
  import logging
  from urllib import request, error
  from typing import Dict, Tuple, Any, Optional, List
label_desc: Use image node_id 2 for calling the GitHubRepo obj's underlying member method code with example usage: obj.headers() and returns: dict