E....

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

ERROR: test_1_limit (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 33, in test_1_limit

    self.assertHigherGPA(self.user.higher_gpa(courses, beat_me, limit), courses, beat_me, limit)

  File ".../fn61096/2008-03-16 11:55:30/user.py", line 17, in higher_gpa

    grade_avg = float(grades[grade][0]) / grades[grade][1]

TypeError: list indices must be integers



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Ran 5 tests in 0.001s



FAILED (errors=1)