From 45be7100bbf0c6643312f6fab75d1feadfa0f196 Mon Sep 17 00:00:00 2001
From: Hans Kelson <hans@communitycomputing.net>
Date: Fri, 12 Jul 2024 17:06:29 -0400
Subject: [PATCH] Don't attempt to switch display theme if the slide has no
 theme set

---
 OpenShow/slides/models.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/OpenShow/slides/models.py b/OpenShow/slides/models.py
index c0239c4..60ea3cf 100644
--- a/OpenShow/slides/models.py
+++ b/OpenShow/slides/models.py
@@ -434,7 +434,8 @@ def send_to_display(self, displays:Iterable, show:None or Show = None) -> None:
                 display.current_deck = self.deck
             else:
                 display.current_deck = None
-            if display.current_theme != slide_theme:
+            if display.current_theme != slide_theme and slide_theme is not None:
+                # TODO: Add a UI warning to make it more obvious when a show has no theme set
                 display.current_theme = slide_theme
                 display.save()
                 send_event('test', f'display-{display.pk}-theme', f'sending theme {slide_theme.pk} to display {display.pk}')