From 2ebfe30ae39d6d016b5239321ada65c85644e99e Mon Sep 17 00:00:00 2001
From: Andrew Murray <3112309+radarhere@users.noreply.github.com>
Date: Wed, 31 Dec 2025 23:47:50 +1100
Subject: [PATCH] Added return type to ImageFile _close_fp() (#9356)

---
 src/PIL/ImageFile.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/PIL/ImageFile.py b/src/PIL/ImageFile.py
index a1d98bd51..ecb51b193 100644
--- a/src/PIL/ImageFile.py
+++ b/src/PIL/ImageFile.py
@@ -131,6 +131,7 @@ class ImageFile(Image.Image):
         self.decoderconfig: tuple[Any, ...] = ()
         self.decodermaxblock = MAXBLOCK
 
+        self._fp: IO[bytes] | DeferredError
         if is_path(fp):
             # filename
             self.fp = open(fp, "rb")
@@ -167,7 +168,7 @@ class ImageFile(Image.Image):
     def _open(self) -> None:
         pass
 
-    def _close_fp(self):
+    def _close_fp(self) -> None:
         if getattr(self, "_fp", False) and not isinstance(self._fp, DeferredError):
             if self._fp != self.fp:
                 self._fp.close()