From 591d63a87be2645effea047dafa0e46e96106d24 Mon Sep 17 00:00:00 2001
From: Alex Willmer <alex@moreati.org.uk>
Date: Thu, 8 Jan 2026 17:28:35 +0000
Subject: [PATCH] GH-143513 Clarify historic behaviour of importlib
 ResourceReader

---
 Doc/library/importlib.resources.abc.rst | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Doc/library/importlib.resources.abc.rst b/Doc/library/importlib.resources.abc.rst
index 45979c5691270a..5bfbb0770ca6b7 100644
--- a/Doc/library/importlib.resources.abc.rst
+++ b/Doc/library/importlib.resources.abc.rst
@@ -89,7 +89,11 @@
        the file system then those subdirectory names can be used
        directly.
 
-       The abstract method returns an iterable of no items.
+       The abstract method raises :exc:`FileNotFoundError`.
+
+       .. versionchanged:: 3.10
+          The abstract method changed from returning an empty iterable
+          to raising :exc:`FileNotFoundError`.
 
 
 .. class:: Traversable