def METHOD_NAME(self):
    import sys
    if sys.platform != 'win32':
        return
    # Build a UNC path from the regular path.
    # Something like
    #   \\%COMPUTERNAME%\c$\python27\python.exe
    fullname = os.path.abspath(sys.executable)
    if fullname[1] != ':':
        return
    unc_name = r'\\%s\%s$\%s' % (os.environ['COMPUTERNAME'],
                                fullname[0],
                                fullname[3:])
    with test_support.EnvironmentVarGuard() as env:
        env.unset("TCL_LIBRARY")
        f = os.popen('%s -c "import Tkinter; print Tkinter"' % (unc_name,))
    self.assertTrue('Tkinter.py' in f.read())
    # exit code must be zero
    self.assertEqual(f.close(), None)