From 096c479cfb2f71fecbb38a9b2dc12e5a49518ed8 Mon Sep 17 00:00:00 2001
From: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Date: Mon, 19 Jan 2026 11:28:42 +0200
Subject: [PATCH] If plugin has already been imported and registered the
 extension, return early

Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>
---
 src/PIL/Image.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index cd1abb935..dfd64ef19 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -406,6 +406,9 @@ def _load_plugin_for_extension(ext: str | bytes) -> bool:
     """Load only the plugin needed for a specific file extension."""
     if isinstance(ext, bytes):
         ext = ext.decode()
+    if ext in EXTENSION:
+        return True
+
     plugin = _EXTENSION_PLUGIN.get(ext.lower())
     if plugin is None:
         return False