diff --git a/app.py b/app.py
index b4c3602..1df7b34 100644
--- a/app.py
+++ b/app.py
@@ -1,4 +1,5 @@
 import json
+import os
 
 from flask import Flask, Response, redirect, request, session, url_for
 from flask_oauthlib.contrib.client import OAuth