docs: def export(self, name, columns, points):
          """Export the stats to the Statsd server."""
          for i in range(len(columns)):
              if not isinstance(points[i], Number):
                  continue
              stat_name = '{}.{}.{}'.format(self.prefix, name, columns[i])
              stat_value = points[i]
              tags = self.parse_tags(self.tags)
              try:
                  self.client.send(stat_name, stat_value, **tags)
              except Exception as e:
                  logger.error("Can not export stats %s to OpenTSDB (%s)" % (name, e))
          logger.debug("Export {} stats to OpenTSDB".format(name))