def isNaN(val):
    return str(float(val)) == str(NaN)
Like test_expect_index(), but using expect_exact().
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/PyAMF-0.6.1/pyamf/python.py/isNaN--crossover with--dataset/ETHPy150Open Calysto/metakernel/metakernel/tests/test_expect.py/ExpectTestCase.test_expect_index_exact