Several test_ttk failures on OSX 10.4 (w/ Tcl/Tk 8.5 installed in /Library/Frameworks) and Python 2.7rc1

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ERROR: test_tab_identifiers (test_ttk.test_widgets.NotebookTest)
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Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/test/test_ttk/test_widgets
.py", line 560, in test_tab_identifiers
    self.assertEqual(self.nb.tab('@5,5'), self.nb.tab('current'))
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/ttk.py", line 922, in tab
    return _val_or_dict(kw, self.tk.call, self._w, "tab", tab_id)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/ttk.py", line 318, in _val
_or_dict
    res = func(*(args + options))
TclError: tab '@5,5' not found

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FAIL: test_identify (test_ttk.test_widgets.WidgetTest)
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Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/test/test_ttk/test_widgets
.py", line 27, in test_identify
    self.assertEqual(self.widget.identify(5, 5), "label")
AssertionError: 'Button.button' != 'label'

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FAIL: test_traversal (test_ttk.test_widgets.NotebookTest)
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Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/test/test_ttk/test_widgets
.py", line 721, in test_traversal
    self.assertEqual(self.nb.select(), str(self.child1))
AssertionError: '.73168616' != '.73169536'

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