diff --git a/atst/app.py b/atst/app.py
index a9e95c32..9a8372c3 100644
--- a/atst/app.py
+++ b/atst/app.py
@@ -1,7 +1,7 @@
 import os
 import re
 from configparser import ConfigParser
-from flask import Flask, request, g, session
+from flask import Flask, request, g
 from flask_session import Session
 import redis
 from unipath import Path