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

import certifi


# Size of the internal event queue
QUEUE_SIZE = 32768
# Logentries API server address
LE_API_DEFAULT = "data.logentries.com"
# Port number for token logging to Logentries API server
LE_PORT_DEFAULT = 80
LE_TLS_PORT_DEFAULT = 443
# Minimal delay between attempts to reconnect in seconds
MIN_DELAY = 0.1
# Maximal delay between attempts to recconect in seconds
MAX_DELAY = 10
# Unicode Line separator character   \u2028
LINE_SEP = le_helpers.to_unicode('\u2028')


# LE appender signature - used for debugging messages
LE = "LE: "
# Error message displayed when an incorrect Token has been detected
INVALID_TOKEN = ("\n\nIt appears the LOGENTRIES_TOKEN "
                 "parameter you entered is incorrect!\n\n")


def dbg(msg):
    print(LE + msg)


class PlainTextSocketAppender(threading.Thread):
    def __init__(self, verbose=True, le_api=LE_API_DEFAULT, le_port=LE_PORT_DEFAULT, le_tls_port=LE_TLS_PORT_DEFAULT):
        threading.Thread.__init__(self)