code: def test_revision_v2(caplog=None):
      model = Inferencer.load(
          "deepset/roberta-base-squad2",
          revision="v2.0",
          task_type="question_answering",
      )
      assert torch.isclose(
          torch.sum(
              model.model.language_model.model.encoder.layer[
                  0
              ].intermediate.dense.weight
          ),
          torch.sum(torch.tensor([-21411.4414])),
      )
      del model
  
imports: import pytest
  import torch
  from farm.infer import Inferencer
label_desc: Use image node_id 3 for calling a global function with example usage: test_revision_v2(caplog) without return types