From 4b551add1a0925ba0ed0e18920f53302d4f03585 Mon Sep 17 00:00:00 2001
From: Jens Langhammer <jens.langhammer@beryju.org>
Date: Sun, 17 Jan 2021 20:18:45 +0100
Subject: [PATCH] stages/password: catch importerror during authentic()

---
 authentik/stages/password/stage.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/authentik/stages/password/stage.py b/authentik/stages/password/stage.py
index 6af83a16e..ee6d15b52 100644
--- a/authentik/stages/password/stage.py
+++ b/authentik/stages/password/stage.py
@@ -31,7 +31,11 @@ def authenticate(
 
     Customized version of django's authenticate, which accepts a list of backends"""
     for backend_path in backends:
-        backend: BaseBackend = path_to_class(backend_path)()
+        try:
+            backend: BaseBackend = path_to_class(backend_path)()
+        except ImportError:
+            LOGGER.warning("Failed to import backend", path=backend_path)
+            continue
         LOGGER.debug("Attempting authentication...", backend=backend)
         user = backend.authenticate(request, **credentials)
         if user is None: