class_docstr: Contains attributes and methods for modifying the aesthetic
  style of the chart.
docstr: Write the chart settings dict to a yaml file
docstr_tok: ["Write","the","chart","settings","dict","to","a","yaml","file"]
code: def _settings_to_yaml(self, filename):
      """Write the chart settings dict to a yaml file"""
      with open(filename, "w") as outfile:
          yaml.dump(self.settings, outfile, default_flow_style=False)
  
imports: from itertools import cycle
  import yaml
  import bokeh
  from bokeh.core.properties import value
  from chartify._core import colors
  from chartify._core.options import options
  from packaging import version
label_desc: Use image node_id 9 for calling the Style obj's underlying member method code with example usage: obj._settings_to_yaml(filename) without return types