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

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

ERROR: testExpand (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 62, in testExpand

    self.assertEqual(Interval(-3, 10), i.expand(right=-1))

  File "unittest.py", line 332, in failUnlessEqual

    if not first == second:

  File ".../fn43617/2007-04-04 11:34:37/user.py", line 119, in __eq__

    if self.__left == intv.left() and self.__right == intv.right():

AttributeError: 'NoneType' object has no attribute 'left'



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

ERROR: testRepr (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 25, in testRepr

    self.assertEqual(i, eval(repr(i)))

  File "<string>", line 1, in <module>

NameError: name '__builtin__' is not defined



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

FAIL: testLen (tester.ProblemTests)

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

Traceback (most recent call last):

  File ".../test.py", line 99, in testLen

    self.assertEqual(7, len(Interval(-2, 4.1)))

AssertionError: 7 != 6



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

Ran 16 tests in 0.007s



FAILED (failures=1, errors=2)