code: def configuration(parent_package="", top_path=None):
      from numpy.distutils.misc_util import Configuration
  
      config = Configuration("io", parent_package, top_path)
  
      config.add_extension(
          "_test_fortran",
          sources=["_test_fortran.pyf", "_test_fortran.f"],
      )
  
      config.add_data_dir("tests")
      config.add_subpackage("matlab")
      config.add_subpackage("arff")
      config.add_subpackage("harwell_boeing")
      return config
  
label_desc: Use image node_id 1 for calling a global function with example usage: configuration(parent_package, top_path) and returns: config