From 2893f8fa49473177eb60be423e061d705a0b6323 Mon Sep 17 00:00:00 2001
From: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
Date: Tue, 8 Aug 2023 02:32:38 -0700
Subject: [PATCH] Fix incorrect passing of flags to re.sub

---
 feedparser/html.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/feedparser/html.py b/feedparser/html.py
index bbb90389..826e4a11 100644
--- a/feedparser/html.py
+++ b/feedparser/html.py
@@ -152,7 +152,7 @@ def feed(self, data):
         :rtype: None
         """
 
-        data = re.sub(r"<!((?!DOCTYPE|--|\[))", r"&lt;!\1", data, re.IGNORECASE)
+        data = re.sub(r"<!((?!DOCTYPE|--|\[))", r"&lt;!\1", data, flags=re.IGNORECASE)
         data = re.sub(r"<([^<>\s]+?)\s*/>", self._shorttag_replace, data)
         data = data.replace("&#39;", "'")
         data = data.replace("&#34;", '"')