dev(narugo): fix the dwpose unittest

        assert len(poses) == 2

        assert isinstance(poses[0], OP18KeyPointSet)

        assert isinstance(poses[1], OP18KeyPointSet)

        assert np.isclose(pose_data_2girls_0, poses[0].all, atol=1).all()

        assert np.isclose(pose_data_2girls_1, poses[1].all, atol=1).all()

        c0 = np.isclose(pose_data_2girls_0, poses[0].all, atol=1)

        assert c0.all(), f'{c0.mean() * 100:.2f}% of the values are the same, ' \

                         f'max diff is {(pose_data_2girls_0 - poses[0].all).max():.4f}.'

        c1 = np.isclose(pose_data_2girls_1, poses[1].all, atol=1)

        assert c1.all(), f'{c1.mean() * 100:.2f}% of the values are the same, ' \

                         f'max diff is {(pose_data_2girls_1 - poses[1].all).max():.4f}.'

    def test_dwpose_estimate_nothing(self, img_file_gun):

        poses = dwpose_estimate(img_file_gun)