def dist(a, b):
    return sum((i-j)**2 for i, j in zip(a, b))
def test_conflicting_initializers(self):
        class POINT(Structure):
            _fields_ = [("x", c_int), ("y", c_int)]
        # conflicting positional and keyword args
        self.assertRaises(TypeError, POINT, 2, 3, x=4)
        self.assertRaises(TypeError, POINT, 2, 3, y=4)

        # too many initializers
        self.assertRaises(TypeError, POINT, 2, 3, 4)