E....

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

ERROR: testClsAttr (tester.ProblemTests)

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Traceback (most recent call last):

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

    self.assertEqual(r.cls.value, 5)

AttributeError: class X has no attribute 'value'



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Ran 5 tests in 0.002s



FAILED (errors=1)