Values of several Tcl object types returned by :mod:`tkinter` are now
converted to the corresponding Python type instead of being wrapped in a
:class:`!_tkinter.Tcl_Obj`: ``index``, ``window``, ``nsName`` and
``parsedVarName`` objects to :class:`str`, and ``pixel`` screen distances
with no unit suffix to :class:`int` or :class:`float`.
