def METHOD_NAME():
    """
    Test that `PolarFT`, when instantiated with odd value for `ntheta`,
    gives appropriate error.
    """
    # Test we raise with expected error.
    with pytest.raises(NotImplementedError, match=r"Only even values for ntheta*"):
        _ = PolarFT(size=42, ntheta=143, dtype=np.float32)