google_app_engine runtime process for the instance running on port 46765 has unexpectedly quit
Hello Sir,
I have successfully installed on Ubuntu digital ocean server but it's automatically close in time interval after 1 or 2 days and need to start again and again on server
i have check process on 8000 port is running but on server 8080 its is not working
error was port close unexpectedly. I am attach Error image so understand you can understand easily.

@lidavidm can you please help me about this?
@certik @ellisonbg @asmeurer sir are you have any idea about this? i am try everything but it gives me a error. i am increase my cpu size and ram size but the issue is same. its display error after a 1 day ya 2 days.
Probably https://github.com/sympy/sympy_gamma/blob/master/app/views.py#L227 needs to be fixed to use the proper response object.