Add yet another missing versionchanged.

birkenfeld · birkenfeld · commit ee0be40f29f4 · 2012-06-26T09:14:40.000+02:00
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
@@ -999,6 +999,9 @@ Instance methods:
           # Convert from UTC to tz's local time.
           return tz.fromutc(utc)
 
+   .. versionchanged:: 3.3
+      *tz* now can be omitted.
+
 
 .. method:: datetime.utcoffset()
 
