code: def force_flush():
      
      if SPLUNK_DEBUG:
          print('{} -------------------------------'.format(
              rnow()))
          print('{} splunkpub: force_flush - start'.format(
              rnow()))
      worked = True
      for instance in instances:
          try:
              instance.force_flush()
          except Exception as e:
              worked = False
              if SPLUNK_DEBUG:
                  print(
                      '{} - force_flush instance={} '
                      '- hit ex={}'.format(
                          rnow(),
                          instance,
                          e))
          # end of try/ex
      if not worked:
          if SPLUNK_DEBUG:
              print('{} Failed flushing queues'.format(
                  rnow()))
      if SPLUNK_DEBUG:
          print('{} splunkpub: force_flush - done'.format(
              rnow()))
          print('{} -------------------------------'.format(
              rnow()))
docs: force_flush