docs: def _delete_msg(self, conn, queue_url, receipt_handle):
          """
          Delete the message specified by ``receipt_handle`` in the queue
          specified by ``queue_url``.
  
          :param conn: SQS API connection
          :type conn: :py:class:`botocore:SQS.Client`
          :param queue_url: queue URL to delete the message from
          :type queue_url: str
          :param receipt_handle: message receipt handle
          :type receipt_handle: str
          """
          resp = conn.delete_message(QueueUrl=queue_url,
                                     ReceiptHandle=receipt_handle)
          if resp['ResponseMetadata']['HTTPStatusCode'] != 200:
              logger.error('Error: message with receipt handle %s in queue %s '
                           'was not successfully deleted (HTTP %s)',
                           receipt_handle, queue_url,
                           resp['ResponseMetadata']['HTTPStatusCode'])
              return
          logger.info('Message with receipt handle %s deleted from queue %s',
                      receipt_handle, queue_url)