code: def add_additional_packages(required_packages):
      """Adds additional required packages."""
      if FLAGS.release:
          tfp_version = TFP_VERSION
      else:
          tfp_version = TFP_NIGHTLY
  
      if FLAGS.tfp_version:
          tfp_version = FLAGS.tfp_version
      required_packages.append(tfp_version)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import argparse
  import codecs
  import datetime
  import fnmatch
  import io
  import os
  import subprocess
  import sys
  import unittest
  from setuptools import find_packages
  from setuptools import setup
  from setuptools.command.test import test
  from setuptools.dist import Distribution
  import version
label_desc: Use image node_id 3 for calling a global function with example usage: add_additional_packages(required_packages) without return types