diff --git a/backend/app_sdk/app_base.py b/backend/app_sdk/app_base.py
index e1ae2378..bd9d24b0 100755
--- a/backend/app_sdk/app_base.py
+++ b/backend/app_sdk/app_base.py
@@ -19,7 +19,6 @@ import urllib.parse
 import jinja2 
 import datetime
 import dateutil
-
 import threading
 import concurrent.futures
 
diff --git a/backend/app_sdk/requirements.txt b/backend/app_sdk/requirements.txt
index cd36ec7c..4b76e4de 100644
--- a/backend/app_sdk/requirements.txt
+++ b/backend/app_sdk/requirements.txt
@@ -6,3 +6,4 @@ flask[async]==2.0.2
 waitress==2.1.0
 #flask==1.1.2
 python-dateutil==2.8.1
+jwt==1.3.1