code: def data(self, regression_data):
      return regression_data
  
imports: from functools import partial
  import numpy
  import pytest
  from sklearn.base import clone
  from skorch.tests.conftest import INFERENCE_METHODS
label_desc: Use image node_id 1 for calling the TestNeuralNetRegressor obj's underlying member method code with example usage: obj.data(regression_data) and returns: regression_data