class_docstr: Tests the color_palette function.
docstr: Test the yellowbrick palettes have length 6 (bgrmyck)
docstr_tok: ["Test","the","yellowbrick","palettes","have","length","6","(","bgrmyck",")"]
code: def test_yellowbrick_palettes(self):
      """
      Test the yellowbrick palettes have length 6 (bgrmyck)
      """
      pals = ["accent", "dark", "pastel", "bold", "muted"]
      for name in pals:
          pal_out = color_palette(name)
          assert len(pal_out) == 6, "{} is not of len 6".format(name)
  
imports: import pytest
  import numpy
  import matplotlib
  from yellowbrick.exceptions import *
  from yellowbrick.style.palettes import *
  from yellowbrick.style.colors import get_color_cycle
  from yellowbrick.style.rcmod import set_aesthetic, set_palette
  from yellowbrick.style.palettes import color_sequence, color_palette
  from yellowbrick.style.palettes import ColorPalette, PALETTES, SEQUENCES
  from tests.base import VisualTestCase
label_desc: Use image node_id 4 for calling the TestColorPaletteFunction obj's underlying member method code with example usage: obj.test_yellowbrick_palettes() without return types