code: def _dummy(
      mnist_dataset,
      mnist_model,
      mnist_model_large,
      mnist_model_quantization,
      get_model_and_pruner,
  ):
      return (
          mnist_dataset,
          mnist_model,
          mnist_model_large,
          mnist_model_quantization,
          get_model_and_pruner,
      )
  
file_path: coremltools/coremltools/test/optimize/torch/conftest.py
imports: import os
  import shutil
  from coremltools.test.optimize.torch.models.mnist import mnist_dataset, mnist_model, mnist_model_large, mnist_model_quantization
  from coremltools.test.optimize.torch.pruning.pruning_utils import get_model_and_pruner
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: _dummy(mnist_dataset, mnist_model, mnist_model_large, mnist_model_quantization, get_model_and_pruner) and returns: mnist_dataset,  mnist_model,  mnist_model_large,  mnist_model_quantization,  get_model_and_pruner