diff --git a/pos/app.py b/pos/app.py
index 924e141..8c2d8ee 100644
--- a/pos/app.py
+++ b/pos/app.py
@@ -1,4 +1,4 @@
-from flask import Flask, request, redirect
+from flask import Flask, request, redirect, make_response
 from json_provider import OrjsonProvider