python import fapws._evwsgi as evwsgi def hello_world(environ, start_response): response_body = b"Hello, World!" status = '200 OK' response_headers = [('Content-Type', 'text/plain'), ('Content-Length', str(len(response_body)))] start_response(status, response_headers) return [response_body] evwsgi.start("0.0.0.0", "8080") evwsgi.set_base_module(evwsgi.WSGIHandler()) evwsgi.wsgi_cb(("", hello_world)) evwsgi.run()