File 003-Import-from-flask-scaffold.patch of Package python-flask-restplus
--- a/flask_restplus/api.py
+++ b/flask_restplus/api.py
@@ -16,7 +16,10 @@ from types import MethodType
from flask import url_for, request, current_app
from flask import make_response as original_flask_make_response
-from flask.helpers import _endpoint_from_view_func
+try:
+ from flask.helpers import _endpoint_from_view_func
+except ImportError:
+ from flask.scaffold import _endpoint_from_view_func
from flask.signals import got_request_exception
from jsonschema import RefResolver