WpsWorkBook' object is not iterable 想要调用打开的表格文档数据，出现这个如何处理？

'WpsWorkBook' object is not iterable

Traceback (most recent call last):

 File "F:\Program Files (x86)\ShadowBot\shadowbot-5.13.33\python\lib\runpy.py", line 193, in _run_module_as_main

   "__main__", mod_spec)

 File "F:\Program Files (x86)\ShadowBot\shadowbot-5.13.33\python\lib\runpy.py", line 85, in _run_code

   exec(code, run_globals)

 File "F:\Program Files (x86)\ShadowBot\shadowbot-5.13.33\python\lib\site-packages\xbot_interpreter.py", line 94, in <module>

   main()

 File "F:\Program Files (x86)\ShadowBot\shadowbot-5.13.33\python\lib\site-packages\xbot_interpreter.py", line 53, in main

   try:

 File "C:\Users\limeijie\AppData\Local\ShadowBot\users\612145819379724290\apps\83b49238-4c93-4ee2-a907-1f7ca4008317\xbot_robot\main.py", line 12, in main

   for 当前循环到的一列订单数据 in xbot_visual.workflow.list_iterator(list=excel_chtordersall, loop_start_index="0", loop_end_index="-1", output_with_index=False, _block=("main", 4, "ForEach列表循环")):

TypeError: 'WpsWorkBook' object is not iterable