How to use the logentries.helpers.is_unicode function in Logentries

def run(self):
        try:
            # Open connection
            self.reopen_connection()

            # Send data in queue
            while True:
                # Take data from queue
                data = self._queue.get(block=True)

                # Replace newlines with Unicode line separator
                # for multi-line events
                if not le_helpers.is_unicode(data):
                    multiline = le_helpers.create_unicode(data).replace(
                        '\n', LINE_SEP)
                else:
                    multiline = data.replace('\n', LINE_SEP)
                multiline += "\n"
                # Send data, reconnect if needed
                while True:
                    try:
                        self._conn.send(multiline.encode('utf-8'))
                    except socket.error:
                        self.reopen_connection()
                        continue
                    break
        except KeyboardInterrupt:
            if self.verbose:
                dbg("Logentries asynchronous socket client interrupted")