code: def test_all_palettes___palettes__() -> None:
      assert sum(len(p) for p in pal.all_palettes.values()) == len(
          pal.__palettes__
      )
  
file_path: bokeh/tests/unit/bokeh/test_palettes.py
imports: from __future__ import annotations
  import pytest
  import bokeh.palettes
label_desc: Use image node_id 2 for calling a global function with example usage: test_all_palettes___palettes__() without return types