Issue #16828: Fix error incorrectly raised by bz2.compress('').

Patch by Martin Packman.
diff --git a/Misc/ACKS b/Misc/ACKS
index 756be99..cf2296b 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -801,6 +801,7 @@
 R. M. Oudkerk
 Russel Owen
 Joonas Paalasmaa
+Martin Packman
 Shriphani Palakodety
 Ondrej Palkovsky
 Mike Pall
diff --git a/Misc/NEWS b/Misc/NEWS
index 09810ec..e990e83 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -188,6 +188,9 @@
 Library
 -------
 
+- Issue #16828: Fix error incorrectly raised by bz2.compress(''). Patch by
+  Martin Packman.
+
 - Issue #16541: tk_setPalette() now works with keyword arguments.
 
 - Issue #16820: In configparser, `parser.popitem()` no longer raises ValueError.