Backport 87978: Do not expose function type annotations in the standard library.
diff --git a/Misc/NEWS b/Misc/NEWS
index efadff1..d84fff0 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -34,6 +34,9 @@
 Library
 -------
 
+- Issue #10899: No function type annotations in the standard library.
+  Removed function type annotations from _pyio.py.
+
 - Issue #10875: Update Regular Expression HOWTO; patch by 'SilentGhost'.
 
 - Issue #10869: Fixed bug where ast.increment_lineno modified the root