Update rasa_sdk/endpoint.py
@@ -131,7 +131,7 @@ def run(
ssl_keyfile: Optional[Text] = None,
ssl_password: Optional[Text] = None,
auto_reload: bool = False,
-):
+) -> NoReturn:
logger.info("Starting action endpoint server...")
app = create_app(
action_package_name, cors_origins=cors_origins, auto_reload=auto_reload
