docs: def silent_popen(args, **kwargs):
      """Wrapper for subprocess.Popen with suppressed output.
  
      STERR is redirected to STDOUT which is piped back to the
      calling process and returned as the result.
      """
      return subprocess.Popen(args,
                              stderr=subprocess.STDOUT,
                              stdout=subprocess.PIPE, **kwargs).communicate()[0]