...EE.....E...F.

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

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 ".../fn43631/2007-04-04 14:36:48/user.py", line 26, in expand

    if(self.l - left <= self.r + rigth ):

NameError: global name 'rigth' is not defined



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

ERROR: testHash (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 92, in testHash

    self.assertEqual(hash(Interval(3, 11)), hash(Interval(3, 11)))

  File ".../fn43631/2007-04-04 14:36:48/user.py", line 125, in __hash__

    return self.len()

AttributeError: Interval instance has no attribute 'len'



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

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)))

TypeError: __len__() should return an int



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

FAIL: testSum (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 105, in testSum

    self.assertRaises(ValueError, Interval.__add__, Interval(7, 99), Interval(101, 200))

AssertionError: ValueError not raised



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

Ran 16 tests in 0.006s



FAILED (failures=1, errors=3)