class_docstr: Tests the color_palette function.
docstr: Test that a bad palette name raises an exception
docstr_tok: ["Test","that","a","bad","palette","name","raises","an","exception"]
code: def test_bad_palette_name(self):
      """
      Test that a bad palette name raises an exception
      """
  
      with pytest.raises(ValueError):
          color_palette("IAmNotAPalette")
  
      with pytest.raises(YellowbrickValueError):
          color_palette("IAmNotAPalette")
  
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 7 for calling the TestColorPaletteFunction obj's underlying member method code with example usage: obj.test_bad_palette_name() without return types