def list16(x):
            """ Test type unification from np array ctors consuming list comprehension """
            l1 = [float(z) for z in x]
            l2 = [z for z in x]
            ze = np.array(l1)
            oe = np.array(l2)
            return ze + oe
 Test type unification from np array ctors consuming list comprehension 
numba/tests/test_comprehension.py