code: def check_network(args):
      print("----------Network Test----------")
      if args.timeout > 0:
          print("Setting timeout: {}".format(args.timeout))
          socket.setdefaulttimeout(10)
      for region in args.region.strip().split(","):
          r = region.strip().lower()
          if not r:
              continue
          if r in REGIONAL_URLS:
              URLS.update(REGIONAL_URLS[r])
          else:
              import warnings
  
              warnings.warn(
                  "Region {} do not need specific test, please refer to global sites.".format(
                      r
                  )
              )
      for name, url in URLS.items():
          test_connection(name, url, args.timeout)
  
file_path: gluon-nlp/tools/diagnose.py
imports: import platform, subprocess, sys, os
  import socket, time
  import argparse
label_desc: Use image node_id 9 for calling a global function with example usage: check_network(args) without return types