code: def get_branches(self):
      return get_json(
          "%s/branches" % (self.github_api), headers=self.headers
      )
  
imports: import configparser
  import os
  import pprint
  import re
  import subprocess
  import sys
  import requests
  import getpass
  from six.moves import input
  import six
label_desc: Use image node_id 7 for calling the GitHubAPI obj's underlying member method code with example usage: obj.get_branches() and returns: get_json