市场指令证件照换底色是不是有bug?无论哪种格式的图片都会报错。

具体反馈错误为：

'NoneType' object is not subscriptable

[ WARN:0@1.080] global loadsave.cpp:248 cv::findDecoder imread_('C:\Users\Administrator\Desktop\下载.jpeg'): can't open/read file: check file path/integrity

Traceback (most recent call last):

 File "C:\Program Files (x86)\ShadowBot\shadowbot-5.14.38\python\lib\runpy.py", line 193, in _run_module_as_main

   "__main__", mod_spec)

 File "C:\Program Files (x86)\ShadowBot\shadowbot-5.14.38\python\lib\runpy.py", line 85, in _run_code

   exec(code, run_globals)

 File "C:\Program Files (x86)\ShadowBot\shadowbot-5.14.38\python\lib\site-packages\xbot_interpreter.py", line 97, in <module>

   main()

 File "C:\Program Files (x86)\ShadowBot\shadowbot-5.14.38\python\lib\site-packages\xbot_interpreter.py", line 57, in main

   try:

 File "C:\Users\Administrator\AppData\Local\ShadowBot\users\100526566163931137\apps\71d5ef4b-ef1c-4ff7-940b-66c3b58085c0\xbot_robot\process4.py", line 15, in main

   ], _block=("子流程2", 1, "证件照换底色"))

 File "<string>", line 89, in wrapper

 File "<string>", line 84, in wrapper

 File "<string>", line 82, in run

 File "C:\Users\Administrator\AppData\Local\ShadowBot\users\100526566163931137\apps\71d5ef4b-ef1c-4ff7-940b-66c3b58085c0\xbot_extensions\shadowbot_picture\process21.py", line 21, in main

   }, _block=("证件照换底色", 1, "调用模块"))

 File "<string>", line 89, in wrapper

 File "<string>", line 84, in wrapper

 File "<string>", line 37, in invoke_module

 File "C:\Users\Administrator\AppData\Local\ShadowBot\users\100526566163931137\apps\71d5ef4b-ef1c-4ff7-940b-66c3b58085c0\xbot_extensions\shadowbot_picture\image_background.py", line 30, in main

   sample = img[0][0]

TypeError: 'NoneType' object is not subscriptable