How to use the porespy.tools.get_planes function in porespy

def test_get_planes(self):
        x, y, z = ps.tools.get_planes(self.im3D)
        assert sp.all(x.shape == (51, 51))
        assert sp.all(y.shape == (51, 51))
        assert sp.all(z.shape == (51, 51))
        with pytest.raises(ValueError):
            ps.tools.get_planes(self.im2D)

def test_get_planes(self):
        x, y, z = ps.tools.get_planes(self.im3D)
        assert sp.all(x.shape == (51, 51))
        assert sp.all(y.shape == (51, 51))
        assert sp.all(z.shape == (51, 51))
        with pytest.raises(ValueError):
            ps.tools.get_planes(self.im2D)

def test_get_planes_not_squeezed(self):
        x, y, z = ps.tools.get_planes(self.im3D, squeeze=False)
        assert sp.all(x.shape == (1, 51, 51))
        assert sp.all(y.shape == (51, 1, 51))
        assert sp.all(z.shape == (51, 51, 1))

def test_get_planes_not_squeezed(self):
        x, y, z = ps.tools.get_planes(self.im3D, squeeze=False)
        assert sp.all(x.shape == (1, 51, 51))
        assert sp.all(y.shape == (51, 1, 51))
        assert sp.all(z.shape == (51, 51, 1))

def test_get_planes(self):
        x, y, z = ps.tools.get_planes(self.im3D)
        assert sp.all(x.shape == (51, 51))
        assert sp.all(y.shape == (51, 51))
        assert sp.all(z.shape == (51, 51))
        with pytest.raises(ValueError):
            ps.tools.get_planes(self.im2D)

def test_get_planes(self):
        x, y, z = ps.tools.get_planes(self.im3D)
        assert sp.all(x.shape == (51, 51))
        assert sp.all(y.shape == (51, 51))
        assert sp.all(z.shape == (51, 51))
        with pytest.raises(ValueError):
            ps.tools.get_planes(self.im2D)