code: def get_addr(self):
      return self._emulator_addr
  
file_path: io/tests/test_bigtable/bigtable_emulator.py
imports: import os
  import subprocess
  import re
  import tensorflow
  from threading import Thread
  from typing import List
label_desc: Use image node_id 2 for calling the BigtableEmulator obj's underlying member method code with example usage: obj.get_addr() and returns: self