code: def test_artist_inspector_get_valid_values(accept_clause, expected):
      class TestArtist(martist.Artist):
          def set_f(self, arg):
              pass
  
      TestArtist.set_f.__doc__ = (
          """
      Some text.
  
      %s
      """
          % accept_clause
      )
      valid_values = martist.ArtistInspector(
          TestArtist
      ).get_valid_values("f")
      assert valid_values == expected
  
imports: import io
  from itertools import chain
  import numpy
  import pytest
  import matplotlib.colors
  import matplotlib.pyplot
  import matplotlib.patches
  import matplotlib.lines
  import matplotlib.path
  import matplotlib.transforms
  import matplotlib.collections
  import matplotlib.artist
  import matplotlib.backend_bases
  import matplotlib
  from matplotlib.testing.decorators import check_figures_equal, image_comparison
label_desc: Use image node_id 12 for calling a global function with example usage: test_artist_inspector_get_valid_values(accept_clause, expected) without return types