Allow skipping of regression tests not supported on windows. This reduces noise in the regression test suite for py3k on Windows.
diff --git a/Lib/test/test_tk.py b/Lib/test/test_tk.py
index 2eca27b..80316b3 100644
--- a/Lib/test/test_tk.py
+++ b/Lib/test/test_tk.py
@@ -1,12 +1,13 @@
-import tkinter
-from tkinter.test import runtktests
from test import support
-import unittest
-
# Skip test if _tkinter wasn't built.
support.import_module('_tkinter')
import tkinter
+from tkinter.test import runtktests
+import unittest
+
+
+import tkinter
try:
tkinter.Button()