IRC Bot Not working & Question

#Did print to check if imports are the problem, but output is good. Printing an empty line when all output is done and not connection.
print ("working")
import sys
print ("sys")
import socket
print ("socket")
import string
print ("string")
import time
print ("time")
from time import gmtime, strftime, sleep
print ("from time")
import math
print ("math")
import re
print ("re")
from string import ascii_letters
print ("ascii")
from sys import argv
print ("argv")
def main():
    print ("working")
    operators = ["FreeProGamer"]
    server = "irc.openredstone.org"
    channel = "#openredstone"
    botnick = "FPGBot"
    readbuffer = ""

    irc = socket.socket(socket.AF_INET, socket.SOCK_STREAM) #defines the socket
    print("connecting to: "+server)
    irc.connect((server, 6667)) #connects to the server
    irc.send("PASS password\r\n")
    irc.send("USER "+ botnick +" "+ botnick +" "+ botnick + " :FPGBot\n") #user authentication
    irc.send("NICK "+ botnick +"\n")                            #sets nick
    sleep(5)
    irc.send("JOIN " + channel + "\r\n")        #join the chan
    irc.send("PRIVMSG OREBuild :/msg " + operators[0] + " Hello!\r\n");