How to use the pyclipper.PFT_EVENODD function in pyclipper

"""
    if len(box1) == 2:
        x1, y1 = box1[0]
        x2, y2 = box1[1]
        box1 = np.array([[x1, y1], [x2, y1], [x2, y2], [x1, y2]])
    if len(box2) == 2:
        x1, y1 = box2[0]
        x2, y2 = box2[1]
        box2 = np.array([[x1, y1], [x2, y1], [x2, y2], [x1, y2]])
    if any(cv2.contourArea(np.int32(box)[:, np.newaxis, :]) == 0 for box in [box1, box2]):
        warnings.warn('A box with zero area was detected.')
        return 0
    pc = pyclipper.Pyclipper()
    pc.AddPath(np.int32(box1), pyclipper.PT_SUBJECT, closed=True)
    pc.AddPath(np.int32(box2), pyclipper.PT_CLIP, closed=True)
    intersection_solutions = pc.Execute(pyclipper.CT_INTERSECTION, pyclipper.PFT_EVENODD,
                                        pyclipper.PFT_EVENODD)
    union_solutions = pc.Execute(pyclipper.CT_UNION, pyclipper.PFT_EVENODD, pyclipper.PFT_EVENODD)
    union = sum(cv2.contourArea(np.int32(points)[:, np.newaxis, :]) for points in union_solutions)
    intersection = sum(
        cv2.contourArea(np.int32(points)[:, np.newaxis, :]) for points in intersection_solutions)
    return intersection / union

This can be checked easily using contour bounds.
- Only perform operations on closed contours.
- contours must have an on curve point
- some kind of a log
"""


_operationMap = {
    "union": pyclipper.CT_UNION,
    "intersection": pyclipper.CT_INTERSECTION,
    "difference": pyclipper.CT_DIFFERENCE,
    "xor": pyclipper.CT_XOR,
}

_fillTypeMap = {
    "evenOdd": pyclipper.PFT_EVENODD,
    "nonZero": pyclipper.PFT_NONZERO,
    # we keep the misspelling for compatibility with earlier versions
    "noneZero": pyclipper.PFT_NONZERO,
}


def clipExecute(subjectContours, clipContours, operation, subjectFillType="nonZero",
                clipFillType="nonZero"):
    pc = pyclipper.Pyclipper()

    for i, subjectContour in enumerate(subjectContours):
        try:
            pc.AddPath(subjectContour, pyclipper.PT_SUBJECT)
        except pyclipper.ClipperException:
            # skip invalid paths with no area
            if pyclipper.Area(subjectContour) != 0:

def poly_intersect(subj, clip):
    """
    """
    pc = pyclipper.Pyclipper()
    pc.AddPath(clip, pyclipper.PT_CLIP, True)
    pc.AddPath(subj, pyclipper.PT_SUBJECT, True)
    solution = pc.Execute(
        pyclipper.CT_INTERSECTION, pyclipper.PFT_EVENODD, pyclipper.PFT_EVENODD
    )
    return np.array(solution)