code: def check_version(server, version, filename, timeout=SHORT_TIMEOUT):
      
  
      address = VERSION_ENDPOINT.format(server=server)
  
      print('Checking for software updates...')
      log.info('Existing OK version: %s', version)
      log.info('Checking latest version from %s', address)
  
      try:
          response = requests.get(address, timeout=timeout)
          response.raise_for_status()
      except (requests.exceptions.RequestException, requests.exceptions.BaseHTTPError) as e:
          print('Network error when checking for updates.')
          log.warning('Network error when checking version from %s: %s', address,
                      str(e), stack_info=True)
          return False
  
      response_json = response.json()
      if not _validate_api_response(response_json):
          print('Error while checking updates: malformed server response')
          log.info('Malformed response from %s: %s', address, response.text)
          return False
  
      current_version = response_json['data']['results'][0]['current_version']
      if current_version == version:
          print('OK is up to date')
          return True
  
      download_link = response_json['data']['results'][0]['download_link']
  
      log.info('Downloading version %s from %s', current_version, download_link)
  
      try:
          response = requests.get(download_link, timeout=timeout)
          response.raise_for_status()
      except (requests.exceptions.RequestException, requests.exceptions.BaseHTTPError) as e:
          print('Error when downloading new version of OK')
          log.warning('Error when downloading new version of OK: %s', str(e),
                      stack_info=True)
          return False
  
      log.info('Writing new version to %s', filename)
  
      zip_binary = response.content
      try:
          _write_zip(filename, zip_binary)
      except IOError as e:
          print('Error when downloading new version of OK')
          log.warning('Error writing to %s: %s', filename, str(e))
          return False
      else:
          print('Updated to version: {}'.format(current_version))
          log.info('Successfully wrote to %s', filename)
          return True
docs: Check for the latest version of OK and update accordingly.