Issue #15489: Add a __sizeof__ implementation for BytesIO objects.
Patch by Serhiy Storchaka.
diff --git a/Misc/NEWS b/Misc/NEWS
index 8848e1a..e7110ca 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -334,6 +334,9 @@
 Library
 -------
 
+- Issue #15489: Add a __sizeof__ implementation for BytesIO objects.
+  Patch by Serhiy Storchaka.
+
 - Issue #15487: Add a __sizeof__ implementation for buffered I/O objects.
   Patch by Serhiy Storchaka.