TypeError
Python 3.9.12: C:\Users\ils\AppData\Local\Programs\Python\Python39\python.exe
Fri Aug 30 09:48:08 2024

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 C:\Dev\DLsystem\web\cgi-bin\dl\dl_download_pdf.py in <module>
    157 
    158 #------------------------------------------------------------------------------@
    159 if __name__ == '__main__':
=>  160     main()
    161 #------------------------------------------------------------------------------@
main = <function main>
 C:\Dev\DLsystem\web\cgi-bin\dl\dl_download_pdf.py in main()
    111                 customer_code = row[0]
    112                 create_time = row[1]
=>  113                 cr_date = dv.get_create_date(con, PG_NAME, 
=>  114                                                  customer_code, create_time)
    115                 create_date = uf.conv_datetime(cr_date)
cr_date undefined, global dv = <module 'db.db_delivery' from 'C:\\Dev\\DLsystem\\web\\cgi-bin\\dl\\..\\db\\db_delivery.py'>, dv.get_create_date = <function get_create_date>, con = <mysql.connector.connection_cext.CMySQLConnection object>, global PG_NAME = 'dl_download_pdf', customer_code = '19116001', create_time = '2024-09-02 05:59:15'
 C:\Dev\DLsystem\web\cgi-bin\db\db_delivery.py in get_create_date(con=<mysql.connector.connection_cext.CMySQLConnection object>, pgname='dl_download_pdf', customer_code='19116001', create_time='2024-09-02 05:59:15')
    815     log_name = uf.get_logname(pgname, 'get_create_date')
    816     res = uf.exec_read_one(con, sql, log_name)
=>  817     create_date = res[0]
    818     return(create_date)
    819 
create_date undefined, res = None

TypeError: 'NoneType' object is not subscriptable
      args = ("'NoneType' object is not subscriptable",)
      with_traceback = <built-in method with_traceback of TypeError object>