nanosystem2022

i have json error when push run bottom Traceback (most recent call last): File "C:\Users\HP\AppData\Local\Programs\Python\Python39-32\lib\site-packages\flask\app.py", line 2091, in __call__ return self.wsgi_app(environ, start_response) File "C:\Users\HP\AppData\Local\Programs\Python\Python39-32\lib\site-packages\flask\app.py", line 2076, in wsgi_app response =...