diff --git a/src/discovery/disc_auth_keystone.py b/src/discovery/disc_auth_keystone.py
index 8ab3cf88b52..d379992708d 100644
--- a/src/discovery/disc_auth_keystone.py
+++ b/src/discovery/disc_auth_keystone.py
@@ -8,7 +8,10 @@
 try:
     from keystoneclient.middleware import auth_token
 except ImportError:
-    from keystonemiddleware import auth_token
+    try:
+        from keystonemiddleware import auth_token
+    except Exception:
+        pass
 except Exception:
     pass