From 5080d3581694d1a73a38845d17630808dd3fea10 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Fri, 17 Mar 2023 11:27:58 +1100
Subject: [PATCH] Allow libtiff_support_custom_tags to be missing

---
 src/PIL/TiffImagePlugin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PIL/TiffImagePlugin.py b/src/PIL/TiffImagePlugin.py
index 8c0431492..3d4d0910a 100644
--- a/src/PIL/TiffImagePlugin.py
+++ b/src/PIL/TiffImagePlugin.py
@@ -1807,7 +1807,7 @@ def _save(im, fp, filename):
             # Custom items are supported for int, float, unicode, string and byte
             # values. Other types and tuples require a tagtype.
             if tag not in TiffTags.LIBTIFF_CORE:
-                if not Image.core.libtiff_support_custom_tags:
+                if not getattr(Image.core, "libtiff_support_custom_tags", False):
                     continue
 
                 if tag in ifd.tagtype: