def test_single_files(self):
    self._test_single(TESTFN_UNICODE)
    if (TESTFN_UNENCODABLE is not None):
        self._test_single(TESTFN_UNENCODABLE)
def test_single_files(self):
    self._test_single(TESTFN_UNICODE)
    if (TESTFN_UNENCODABLE is not None):
        self._test_single(TESTFN_UNENCODABLE)