code: def test_invalid_arg():
      with pytest.raises(TypeError):
          pv.MultiBlock(np.empty(10))
      with pytest.raises(ValueError):
          pv.MultiBlock(np.empty(10), np.empty(10))
  
imports: import pathlib
  import platform
  import weakref
  import numpy
  import pytest
  import vtk
  import pyvista
  from pyvista import ImageData, MultiBlock, PolyData, RectilinearGrid, StructuredGrid, examples
label_desc: Use image node_id 20 for calling a global function with example usage: test_invalid_arg() without return types