Python Not found win32com.client.Workbooks

Question

import win32com.client as win32

excel = win32.gencache.EnsureDispatch('Excel.Application')
for wb in excel.Workbooks:
    if wb.Name in "excel path":
        # Do something
        return

excel.Workbooks <-- Opened Excels

and i use window10 run this script as well but update onedrive not found Workbooks

after update len(excel.Workbooks) => 0 before len(excel.Workbooks) => Opened Excel Count

how to find Opened Excel??