code: def test_n_levels_shape(self, device, dtype):
      inp = torch.zeros(1, 1, 32, 32, device=device, dtype=dtype)
      SP = kornia.geometry.ScalePyramid(n_levels=3)
      sp, _, _ = SP(inp)
      assert sp[0].shape == (1, 1, 3 + 3, 32, 32)
  
imports: import pytest
  import torch
  from torch.autograd import gradcheck
  import kornia
  import kornia.testing
  from kornia.testing import BaseTester, assert_close
label_desc: Use image node_id 4 for calling the TestScalePyramid obj's underlying member method code with example usage: obj.test_n_levels_shape(device, dtype) without return types