code: def configuration(parent_package="io", top_path=None):
      from numpy.distutils.misc_util import Configuration
  
      config = Configuration("arff", parent_package, top_path)
      config.add_data_dir("tests")
      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