code: def test_omnivore_swint(self):
      pretrained = False
      model = omnivore_swint(pretrained=pretrained)
      x = torch.randn(1, 3, 5, 4, 4)
      y = model(x, "video")
      self.assertTrue(y.shape == torch.Size([1, 400]))
  
file_path: towhee/tests/unittests/models/omnivore/test_omnivore.py
imports: import torch
  import unittest
  from towhee.models.omnivore.omnivore import omnivore_swins, omnivore_swint, omnivore_swinb_imagenet21k, omnivore_swinl_imagenet21k
label_desc: Use image node_id 2 for calling the OmnivoreTest obj's underlying member method code with example usage: obj.test_omnivore_swint() without return types