Help update data in PSSE by Python 2.7 get data from excel file.

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Hi all I want to update data of Bus in PSSE by Python 2.7, get data from excel. My code:

import os, sys
PYTHONPATH = r'C:\Program Files (x86)\PTI\PSSE33\PSSBIN'
sys.path.append(PYTHONPATH)
os.environ['PATH'] += ';' + PYTHONPATH
import psspy
psspy.throwPsseExceptions = True
import redirect
redirect.psse2py()
psspy.psseinit(1000)
psspy.case(r'C:\Users\ngoclq\Desktop\TEST PYTHON\QNPC.sav')
import xlrd
bus_excel_location = "C:/Users/ngoclq/Desktop/TEST PYTHON/Bus.xlsx" 
bus= xlrd.open_workbook(bus_excel_location)
bussheet= bus.sheet_by_index(0) 
bussheet.cell_value(0,0)
bussheet.nrows
bussheet.ncols

intgar=[0, 0, 0, 0]
realar=[0, 0, 0, 0, 0, 0, 0]
for k in range(1,bussheet.nrows):
    intgar[0]=bussheet.cell_value(k,9)
    intgar[1]=bussheet.cell_value(k,3)           
    intgar[2]=bussheet.cell_value(k,5)
    intgar[3]=bussheet.cell_value(k,7)    
    realar[0]=bussheet.cell_value(k,2)
    realar[1]=bussheet.cell_value(k,10)
    realar[2]=bussheet.cell_value(k,11)
    realar[3]=bussheet.cell_value(k,12)
    realar[4]=bussheet.cell_value(k,13)
    realar[5]=bussheet.cell_value(k,14)
    realar[6]=bussheet.cell_value(k,15)
    i=bussheet.cell_value(k,0)
    name=bussheet.cell_value(k,1)
    ierr=psspy.bus_data_3(i,intgar,realar,name)

Please help me show any error on that code and how to run python file .py to update data of bus as data on my excel file Tks for helps.