python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_ttk_guionly.py

@@ -0,0 +1,34 @@
+import unittest
+from test import support
+
+# Skip this test if _tkinter wasn't built.
+support.import_module('_tkinter')
+
+# Skip test if tk cannot be initialized.
+support.requires('gui')
+
+import tkinter
+from _tkinter import TclError
+from tkinter import ttk
+from tkinter.test import runtktests
+
+root = None
+try:
+    root = tkinter.Tk()
+    button = ttk.Button(root)
+    button.destroy()
+    del button
+except TclError as msg:
+    # assuming ttk is not available
+    raise unittest.SkipTest("ttk not available: %s" % msg)
+finally:
+    if root is not None:
+        root.destroy()
+    del root
+
+def test_main():
+    support.run_unittest(
+            *runtktests.get_tests(text=False, packages=['test_ttk']))
+
+if __name__ == '__main__':
+    test_main()