Traceback (most recent call last):

 "/usr/lib64/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)TypeError: test_array() takes exactly 1 argument (0 given)
Traceback (most recent call last):

 "/home/jason/.virtualenvs/homesite/lib/python3.4/site-packages/nose/case.py", line 198, in runTest
self.test(*self.arg)TypeError: test_penalty() missing 1 required positional argument: 'penalty'