Add tix deprecation to whatsnew

diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst
index 480459a0491d05f7b95d7aae1d1e7bf7e2b5c7fa..f15bf4d30b2c5b089e9e6a37c088974c83ec7010 100644 (file)
--- a/Doc/whatsnew/3.6.rst
+++ b/Doc/whatsnew/3.6.rst
@@ -981,6 +981,9 @@ Deprecated Python modules, functions and methods
   been deprecated in previous versions of Python in favour of
   :meth:`importlib.abc.Loader.exec_module`.
 
+* The :mod:`tkinter.tix` module is now deprecated.  :mod:`tkinter` users should
+  use :mod:`tkinter.ttk` instead.
+
 
 Deprecated functions and types of the C API
 -------------------------------------------