code: def get_code_language(self):
          
          js_source = self.get_js_source()
          if self.options.get("include_html", False):
              resources = get_sphinx_resources(include_bokehjs_api=True)
              html_source = BJS_HTML.render(
                  css_files=resources.css_files,
                  js_files=resources.js_files,
                  bjs_script=js_source)
              return [html_source, "html"]
          else:
              return [js_source, "javascript"]
docs: This is largely copied from bokeh.sphinxext.bokeh_plot.run