code: def test_visual_question_answering(self):
      processor = GitProcessor.from_pretrained(
          "microsoft/git-base-textvqa"
      )
      model = GitForCausalLM.from_pretrained(
          "microsoft/git-base-textvqa"
      )
      model.to(torch_device)
  
      # prepare image
      file_path = hf_hub_download(
          repo_id="nielsr/textvqa-sample",
          filename="bus.png",
          repo_type="dataset",
      )
      image = Image.open(file_path).convert("RGB")
      inputs = processor(images=image, return_tensors="pt")
      pixel_values = inputs.pixel_values.to(torch_device)
  
      # prepare question
      question = "what does the front of the bus say at the top?"
      input_ids = processor(
          text=question, add_special_tokens=False
      ).input_ids
      input_ids = [processor.tokenizer.cls_token_id] + input_ids
      input_ids = torch.tensor(input_ids).unsqueeze(0).to(torch_device)
  
      generated_ids = model.generate(
          pixel_values=pixel_values, input_ids=input_ids, max_length=20
      )
      generated_caption = processor.batch_decode(
          generated_ids, skip_special_tokens=True
      )[0]
  
      expected_shape = torch.Size((1, 15))
      self.assertEqual(generated_ids.shape, expected_shape)
      self.assertEquals(
          generated_caption,
          "what does the front of the bus say at the top? special",
      )
  
imports: import inspect
  import unittest
  from huggingface_hub import hf_hub_download
  from transformers import GitConfig, GitProcessor, GitVisionConfig, is_torch_available, is_vision_available
  from transformers.models.auto import get_values
  from transformers.testing_utils import require_torch, require_vision, slow, torch_device
  from ...generation.test_utils import GenerationTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor, random_attention_mask
  from ...test_pipeline_mixin import PipelineTesterMixin
label_desc: Use image node_id 3 for calling the GitModelIntegrationTest obj's underlying member method code with example usage: obj.test_visual_question_answering() without return types