Transform FQP to FQ2 for type hinting.

def FQP_point_to_FQ2_point(pt: Tuple[FQP, FQP, FQP]) -> Tuple[FQ2, FQ2, FQ2]:
    """
    Transform FQP to FQ2 for type hinting.
    """
    return (
        FQ2(pt[0].coeffs),
        FQ2(pt[1].coeffs),
        FQ2(pt[2].coeffs),
    )