code: def test_entrypoint_identity():
      with alt.renderers.enable("notebook"):
          assert alt.renderers.get() is vegalite.entry_point_renderer
      with alt.vega.renderers.enable("notebook"):
          assert alt_vg.renderers.get() is vega.entry_point_renderer
  
imports: import altair
  import altair.vega
  from vega import vega, vegalite
label_desc: Use image node_id 2 for calling a global function with example usage: test_entrypoint_identity() without return types