Issue #12459: time.sleep() now raises a ValueError if the sleep length is
negative, instead of an infinite sleep on Windows or raising an IOError on
Linux for example, to have the same behaviour on all platforms.
diff --git a/Misc/NEWS b/Misc/NEWS
index 4f41fb1..b96ca50 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -219,6 +219,10 @@
Library
-------
+- Issue #12459: time.sleep() now raises a ValueError if the sleep length is
+ negative, instead of an infinite sleep on Windows or raising an IOError on
+ Linux for example, to have the same behaviour on all platforms.
+
- Issue #12451: pydoc: html_getfile() now uses tokenize.open() to support
Python scripts using a encoding different than UTF-8 (read the coding cookie
of the script).