Fixed #18964 -- floatformat test passes under py3k

            decimal_ctx.prec = old_prec

    # This fails because of Python's float handling. Floats with many zeroes

    # after the decimal point should be passed in as another type such as

    # unicode or Decimal.

    @unittest.expectedFailure

    def test_floatformat_fail(self):

    def test_floatformat_py2_fail(self):

        self.assertEqual(floatformat(1.00000000000000015, 16), '1.0000000000000002')

    # The test above fails because of Python 2's float handling. Floats with

    # many zeroes after the decimal point should be passed in as another type

    # such as unicode or Decimal.

    if not six.PY3:

        test_floatformat_py2_fail = unittest.expectedFailure(test_floatformat_py2_fail)

    def test_addslashes(self):

        self.assertEqual(addslashes('"double quotes" and \'single quotes\''),

                          '\\"double quotes\\" and \\\'single quotes\\\'')