code: def test_set_jupyter_backend_trame():
      try:
          pv.global_theme.jupyter_backend = "trame"
          assert pv.global_theme.jupyter_backend == "trame"
          pv.global_theme.jupyter_backend = "client"
          assert pv.global_theme.jupyter_backend == "client"
          pv.global_theme.jupyter_backend = "server"
          assert pv.global_theme.jupyter_backend == "server"
      finally:
          pv.global_theme.jupyter_backend = None
  
imports: import os
  from IPython.display import IFrame
  import numpy
  import pytest
  import pyvista
  from pyvista import examples
label_desc: Use image node_id 1 for calling a global function with example usage: test_set_jupyter_backend_trame() without return types