code: def test_byol(self):
      byol = BYOL(
          backbone=nn.Linear(8, 4),
          projector=nn.Linear(4, 4),
          feature_dim=4,
          norm=nn.BatchNorm1d,
      )
      for crop1, crop2 in TestBYOL._get_inputs():
          byol(crop1, crop2)
  
file_path: pytorchvideo/tests/test_models_byol.py
imports: import unittest
  import torch
  from pytorchvideo.models.byol import BYOL
  from torch import nn
label_desc: Use image node_id 2 for calling the TestBYOL obj's underlying member method code with example usage: obj.test_byol() without return types