code: def show_env_info():
      env_info = get_sys_env()
      info = ["{}: {}".format(k, v) for k, v in env_info.items()]
      info = "\n".join(
          ["", format("Environment Information", "-^48s")]
          + info
          + ["-" * 48]
      )
      logger.info(info)
  
imports: import os
  import contextlib
  import tempfile
  import random
  from urllib.parse import urlparse, unquote
  import yaml
  import numpy
  import paddle
  import cv2
  from paddleseg.utils import logger, seg_env, get_sys_env
  from paddleseg.utils.download import download_file_and_uncompress
label_desc: Use image node_id 2 for calling a global function with example usage: show_env_info() without return types