class_docstr: Tests the color_palette function.
docstr: Assert the default color sequence is RdBu
docstr_tok: ["Assert","the","default","color","sequence","is","RdBu"]
code: def test_color_sequence_default(self):
      """
      Assert the default color sequence is RdBu
      """
      cmap = color_sequence()
      assert cmap.name == "RdBu"
      assert cmap.N == 11
  
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 16 for calling the TestColorPaletteFunction obj's underlying member method code with example usage: obj.test_color_sequence_default() without return types