code: def test_shape_batch(self, device, dtype):
      inp = torch.zeros(3, 2, 31, 31, device=device, dtype=dtype)
      SP = kornia.geometry.ScalePyramid(n_levels=1)
      sp, _, _ = SP(inp)
      assert sp[0].shape == (3, 2, 3 + 1, 31, 31)
  
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 2 for calling the TestScalePyramid obj's underlying member method code with example usage: obj.test_shape_batch(device, dtype) without return types