请问bing.py里第8行cookies_str是哪里定义的？

[JohnDhy]

运行main会提示错误：

python main.py
Traceback (most recent call last):
File "D:\GitHub\Telepath-main\main.py", line 11, in
import plugins
File "D:\GitHub\Telepath-main\plugins.py", line 17, in
from bing import Bing
File "D:\GitHub\Telepath-main\bing.py", line 8, in
cookies = json.loads(cookies_str)
NameError: name 'cookies_str' is not defined
请问bing.py里第8行cookies_str是哪里定义的？