'int' object has no attribute 'replace'

 'int' object has no attribute 'replace'
Traceback (most recent call last):
File "D:\Program Files (x86)\ShadowBot\shadowbot-5.17.20\python\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "D:\Program Files (x86)\ShadowBot\shadowbot-5.17.20\python\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "D:\Program Files (x86)\ShadowBot\shadowbot-5.17.20\python\lib\site-packages\xbot_interpreter.py", line 109, in <module>
main()
File "D:\Program Files (x86)\ShadowBot\shadowbot-5.17.20\python\lib\site-packages\xbot_interpreter.py", line 57, in main
try:
File "C:\Users\Liu\AppData\Local\ShadowBot\users\678545118620090370\apps\ioy80wjl-g4vw-aeu7-g9l8-tpidx2ffm2cu\xbot_robot\process10.py", line 54, in main
xbot_visual.list.set_elem(lst=ZSKUL, index=loop_item_index, elem=lambda: loop_item_index.replace(' ', '').replace('\n', ''), _block=("4.1采集", 37, "修改列表指定位置项的值"))
File "<string>", line 92, in wrapper
File "<string>", line 84, in wrapper
File "C:\Users\Liu\AppData\Local\ShadowBot\users\678545118620090370\apps\ioy80wjl-g4vw-aeu7-g9l8-tpidx2ffm2cu\xbot_robot\process10.py", line 54, in <lambda>
xbot_visual.list.set_elem(lst=ZSKUL, index=loop_item_index, elem=lambda: loop_item_index.replace(' ', '').replace('\n', ''), _block=("4.1采集", 37, "修改列表指定位置项的值"))
AttributeError: 'int' object has no attribute 'replace'