def internal_server_error(self, environ, start_response):           
        start_response('500 Internal Server Error', [('Content-type', 'text/plain')])
        return [traceback.format_exc(20)]
Default WSGI application for creating a default `500 Internal Server Error` response on any
dataset/ETHPy150Open concurrence/concurrence/lib/concurrence/http/server.py/WSGIServer.internal_server_error