From 800c4c2ee39aca1ccc03bd944cf2491bb18e2221 Mon Sep 17 00:00:00 2001
From: Carlos Galindo <arch@cgj.es>
Date: Sun, 31 May 2026 00:56:03 +0200
Subject: [PATCH] FeedReader: do not update etag on error response

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

diff --git a/issue_generator.py b/issue_generator.py
index 6982bd6..e44e272 100644
--- a/issue_generator.py
+++ b/issue_generator.py
@@ -173,7 +173,7 @@ class FeedReader:
                 etag = file.readline()
         else: etag = None
         feed = feedparser.parse(self.url, etag=etag)
-        if feed.etag and feed.etag != etag:
+        if feed.etag and feed.etag != etag and feed.status // 100 in [2, 3]:
             if not os.path.isdir(CONFIG_DIR):
                 os.mkdir(CONFIG_DIR)
             with open(self.etag_file, mode='w', encoding="UTF-8") as file: