From 438c5d36b6d9ada13f0c9893bf71f6b8bfcb47f6 Mon Sep 17 00:00:00 2001
From: nexy7574 <git@nexy7574.co.uk>
Date: Thu, 22 Feb 2024 18:13:20 +0000
Subject: [PATCH] Fix RuntimeError due to dict changing

---
 server.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server.py b/server.py
index aa82349..a519260 100644
--- a/server.py
+++ b/server.py
@@ -268,7 +268,7 @@ def preview_url(
             if tag_name in (*VALID_OG_TAGS, *TWITTER_MAPPING.keys()):
                 og_tags[tag_name] = tag.get("content")
 
-    for tag in og_tags.keys():
+    for tag in og_tags.copy().keys():
         if tag.startswith("twitter:"):
             if tag in TWITTER_MAPPING:
                 og_tags[TWITTER_MAPPING[tag]] = og_tags.pop(tag)