code: def load_iris():
      """Load the iris dataset
  
      Returns
      -------
      iris : NpzFile
          data['data'] : a (150, 4) NumPy array with the iris' features
          data['group'] : a (150,) NumPy array with the iris' group
      """
      return np.load(
          load_data_file("iris/iris.npz", force_download="2014-09-04")
      )
  
file_path: vispy/vispy/io/datasets.py
imports: import numpy
  from os import path
  from ..util import load_data_file
label_desc: Use image node_id 1 for calling a global function with example usage: load_iris() and returns: np