import os
import csv
import psycopg2
import time
from datetime import datetime, timedelta
import ftplib
conn = psycopg2.connect (host="xxxx", database="xxx", user="xxx"
,password="xxx", port="xxx")

update_gpis="UPDATE information_3g SET geom =
ST_SetSRID(ST_MakePoint("Easting","Northing"),2326)"

cursor = conn.cursor()

cursor.execute(update_gpis)
cursor.close()
conn.commit()
conn.close()