diff --git a/pyeudiw/satosa/backend.py b/pyeudiw/satosa/backend.py
index 51e6a9dc..d1bea004 100644
--- a/pyeudiw/satosa/backend.py
+++ b/pyeudiw/satosa/backend.py
@@ -8,10 +8,8 @@
 
 import satosa.logging_util as lu
 from satosa.backends.base import BackendModule
-from satosa.exception import (
-    SATOSABadRequestError,
-    SATOSANoBoundEndpointError
-)
+from satosa.exception import SATOSABadRequestError
+from satosa.exception import SATOSANoBoundEndpointError
 from satosa.internal import InternalData
 from satosa.response import Redirect, Response