I have problem with insert my data to database , please help

import mysql.connector
from mysql.connector import Error
from mysql.connector import errorcode
import socket
#get IP from computer
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(("8.8.8.8", 80))
dataIP = (s.getsockname()[0])
s.close()
#set connection with sql
mydb = mysql.connector.connect(
      host= "localhost",
      user = "root",
      passwd ="",
      database="iqtakon"
)
mycursor = mydb.cursor()
sql = "insert into tbluser (txtIP) values('"+dataIP+"')"
mycursor.execute(sql)
if dataIP == None:
    print("on connection")
else:
    print("have connection")
print(dataIP)