a.py

  try:
                            curs.execute('REPLACE INTO nvd_cpe\
                                    (cpe, cpe_part, cpe_vendor, cpe_product, cpe_version, cpe_update, \
                                    cpe_edition, cpe_language) VALUES (?, ?, ?, ?, ?, ?, ?, ?)', \
                                          (str(nvd_cpe), str(nvd_cpe_variables[2]), str(nvd_cpe_variables[3]), 
                                           str( nvd_cpe_variables[4]), str(nvd_cpe_variables[5]), str(nvd_cpe_variables[6], )
                                            str(nvd_cpe_variables[7]), str(nvd_cpe_variables[8])))
                        except Exception as e:
                            print "hello everyone" 
                            print  traceback.print_exc()
                            return 

error

hello everyone
Traceback (most recent call last):
  File "main-test_linux2.py", line 259, in parse_xml
    nvd_cpe_variables[8]))
  File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 159, in execute
    query = query % db.literal(args)
TypeError: not all arguments converted during string formatting
None