From 098811d3838f90e9248c8da613f87f9dc01d16a1 Mon Sep 17 00:00:00 2001
From: j <j@mailb.org>
Date: Thu, 3 Jun 2021 17:17:57 +0100
Subject: [PATCH] fallback to first mode

---
 pandora/item/views.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pandora/item/views.py b/pandora/item/views.py
index 62c6b21ae..9fbd39cbd 100644
--- a/pandora/item/views.py
+++ b/pandora/item/views.py
@@ -948,9 +948,11 @@ def timeline(request, id, size, position=-1, format='jpg', mode=None):
     if not item.access(request.user):
         return HttpResponseForbidden()
 
+    modes = [t['id'] for t in settings.CONFIG['timelines']]
     if not mode:
         mode = 'antialias'
-    modes = [t['id'] for t in settings.CONFIG['timelines']]
+        if mode not in modes:
+            mode = modes[0]
     if mode not in modes:
         raise Http404
     modes.pop(modes.index(mode))