Broken python irc bot

import socket
import sys
import time

server = "irc.esper.net"
port = 6667
channel = "#cajs"
botnick = "Hobbybot"

irc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print "Connecting to: "+server
irc.connect((server, port))
irc.send("NICK "+ botnick +"\n")
irc.send("USER "+ botnick +" "+ botnick +" "+ botnick +" :This is a bot\n")

time.sleep(5)
irc.send("PRIVMSG nickserv :iNOOPE\r\n")
irc.send("JOIN "+ channel +"\n")

while 1:
    text=irc.recv(4096)
    print text

    if text.find('PING') != -1:
        irc.send('PONG ' + text.split()[1] + '\r\n')