def modify_state_for_body(s, body):
            s.layers['segmentation'].segments = frozenset([body.segment_id])
            s.voxel_coordinates = body.bbox_start + body.bbox_size // 2
def __init__(self):
        self._ignore_sigint_lock = threading.Lock()
        self._threads_ignoring_sigint = 0
        self._ignoring_sigint_v2_engine = False