statichandler.py

class AppStaticHandler(StaticFileHandler):

    def write_error(self, status_code, **kwargs):
        errors = [403, 404, 500, 503]
        # FIXME: logging.info("status_code: %s" % status_code)
        if status_code in [404]:
            # self.set_status(200)
            with open("./dist/index.html") as f:
                self.write(f.read())
        else:
            self.write("Unknown Error %s" % status_code)