code: def test_smoke_pretrained(self, device):
      disk = DISK.from_pretrained(checkpoint="depth", device=device)
      inp = torch.ones(1, 3, 64, 64, device=device)
      output = disk(inp)
      assert isinstance(output, list)
      assert len(output) == 1
      assert all(isinstance(e, DISKFeatures) for e in output)
  
file_path: kornia/test/feature/test_disk.py
imports: import sys
  import pytest
  import torch
  import kornia.testing
  from kornia.feature.disk import DISK, DISKFeatures
  from kornia.testing import assert_close
label_desc: Use image node_id 3 for calling the TestDisk obj's underlying member method code with example usage: obj.test_smoke_pretrained(device) without return types