How to use the blackhole.log.log.debug function in blackhole

def write_response(mail_state, resp):
    """Write the response back to the stream"""
    log.debug("[%s] SEND: %s" % (mail_state.email_id, resp.upper().rstrip()))
    mail_state.stream.write(resp)

# Multiple responses, i.e. EHLO
                if isinstance(resp, list):
                    for r in resp:
                        write_response(mail_state, r)
                else:
                    # Otherwise it's a single response
                    write_response(mail_state, resp)
            # Switch to SSL connection if starttls is called
            # and we have an SSL library
            if line.lower().startswith("starttls") and ssl and options.ssl:
                fileno = mail_state.stream.socket.fileno()
                IOLoop.current().remove_handler(fileno)
                mail_state.stream = ssl_connection(connection)
            # Close connection
            if close is True:
                log.debug("Closing")
                mail_state.stream.close()
                del mail_state.stream
                return
            else:
                loop()

# Not exactly nice but it's only way I could safely figure
        # out if it was the \n.\n
        if line[0] == "." and len(line) == 3 and ord(line[0]) == 46:
            mail_state.reading = False
            resp = response()
    elif line.lower().startswith("ehlo"):
        resp = []
        for k, r in enumerate(EHLO_RESPONSES):
            r = r.format(options.message_size_limit) if k == 1 else r
            resp.append("%s\r\n" % r)
    elif any(line.lower().startswith(e) for e in ['helo', 'mail from',
                                                  'rcpt to', 'noop']):
        resp = response(250)
    elif line.lower().startswith("rset"):
        new_id = email_id()
        log.debug("[%s] RSET received, changing ID to [%s]" %
                  (mail_state.email_id, new_id))
        # Reset mail state
        mail_state.reading = False
        mail_state.email_id = new_id
        resp = response(250)
    elif line.lower().startswith("starttls"):
        if not ssl or not options.ssl:
            resp = response(500)
        else:
            resp = response(220)
    elif line.lower().startswith("vrfy"):
        resp = response(252)
    elif line.lower().startswith("quit"):
        resp = response(221)
        close = True
    elif line.lower().startswith("data"):

Accepts the socket connections and passes them off
    to be handled.

    'sock' is an instance of 'socket'.
    'fd' is an open file descriptor for the current connection.
    'events' is an integer of the number of events on the socket.
    """
    while True:
        try:
            connection, address = sock.accept()
        except socket.error as e:
            if e.errno not in (errno.EWOULDBLOCK, errno.EAGAIN):
                raise
            return

        log.debug("Connection from '%s'" % address[0])

        connection.setblocking(0)
        stream = connection_stream(connection)
        # No stream, bail out
        if not stream:
            return
        mail_state = MailState()
        mail_state.email_id = email_id()
        mail_state.stream = stream

        # Sadly there is nothing I can do about the handle and loop
        # fuctions. They have to exist within connection_ready
        def handle(line):
            """
            Handle a line of socket data, figure out if
            it's a valid SMTP keyword and handle it