F.........E.....

======================================================================

ERROR: testLen (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 95, in testLen

    self.assertEqual(5, len(Interval(0, 5)))

  File ".../fn44001/2007-04-03 19:00:00/user.py", line 92, in __len__

    return int(math.ceil(math.fabs(self_right - self._left)))

NameError: global name 'self_right' is not defined



======================================================================

FAIL: testCmp (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 108, in testCmp

    self.assertFalse(Interval(1, 2) <= Interval(0.5, 1.5))

AssertionError



----------------------------------------------------------------------

Ran 16 tests in 0.006s



FAILED (failures=1, errors=1)