import os
 import csv
 import psycopg2
 import time
 conn = psycopg2.connect (host="xxxx", database="xxxx",
 user="xxxx" ,password="xxxx", port="xxxx")

 delete="ALTER Table highloading_qgis DROP COLUMN geom;"
 tem_delete="DELETE FROM public.highloading_qgis;"

  tem_carrier="copy highloading_qgis
  FROM'/home/ftpuser/Report/highloading_new.csv' With DELIMITER ',' CSV
  HEADER;"

  add_col="ALTER TABLE highloading_qgis ADD COLUMN geom geometry;"


 update_gpis="UPDATE highloading_qgis SET geom =
 (ST_MakePolygon(ST_GeomFromText('LINESTRING ('Easting'
 'Northing','Easting_2' 'Northing_2','Easting_3'
  'Northing_3','Easting_4''Northing_4')')));"
  cursor = conn.cursor()
  cursor.execute(delete)
  cursor.execute(tem_delete)
  cursor.execute(tem_carrier)
  cursor.execute(add_col)
  cursor.execute(update_gpis)
  cursor.close()
  conn.commit()
  conn.close()

File "C:PCCWQGIS_projectHigh_Loading_Projectupdate_3G_pg.py", line
  68, in <module>
  cursor.execute(update_gpis)
  ProgrammingError: syntax error at or near "Easting"
  LINE 1: ...m = (ST_MakePolygon(ST_GeomFromText('LINESTRING ('Easting' '...
                                                         ^