Python TypeError: an integer is required while working with Sockets on the client side

#!/usr/bin/python

import os import sys import socket import sqlite3 as lite

global s s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

class client:

#functions on the client side only send the data to the server side (their only job)
def login(ID, password):
    try:
        s.send(self, ID)
        s.send(password)
    except IOError:
           print "Error! Cannot execute statement."

def signup(self, ID, Name, Email, Password):
    try:
        s.send(ID, Name)
        s.send(Email, Password)
    except IOError:
           print "Error! Cannot execute statement."

def addContact(self, ID, name, email):
    try:
        s.send(ID, name)
        s.send(email)
    except IOError:
        print "Error! Cannot execute statement."

class main: # create a socket object c = client() Register = "Register" Login = "Login"

# get local machine name
host = socket.gethostname()

port = 9999

# connection to hostname on the port.
s.connect((host, port))

Message = input("Login if you are a user. If you are new, register here so you could play checkers! \t")
if Message == Login:
    ID = input("ID \t")
    password = input("Password \t")
    c.login(ID, password)

elif Message == Register:
    ID = input("ID \t")
    Name = input("Name \t")
    Email = input("Email \t")
    Password = input("Password \t")
    c.signup(ID, Name, Email, Password)

elif Message == add:
    ID = input("ID \t")
    Name = input("Name \t")
    Email = input("Email \t")
    c.addContact(ID, name, email)
else:
    exit()


# Receive no more than 1024 bytes
data = s.recv(1024)

s.close()

print("The time got from the server is %s" % data.decode('ascii'))