code: def struct_grid():
      x, y, z = np.meshgrid(
          np.arange(-10, 10, 2, dtype=np.float32),
          np.arange(-10, 10, 2, dtype=np.float32),
          np.arange(-10, 10, 2, dtype=np.float32),
      )
      return pyvista.StructuredGrid(x, y, z)
  
imports: from importlib import metadata
  import re
  import numpy
  from numpy.random import default_rng
  from pytest import fixture, mark, skip
  import pyvista
  from pyvista import examples
label_desc: Use image node_id 12 for calling a global function with example usage: struct_grid() and returns: pyvista