code: def run(self):
      self.assert_has_content()
      text = "\n".join(self.content)
      node = nodes.container(text)
      node["classes"].append("plain-section")
      self.add_name(node)
      self.state.nested_parse(self.content, self.content_offset, node)
      return [node]
  
file_path: mlflow/docs/source/languagesections/__init__.py
imports: import os
  from sphinx.util import logging
  from docutils.parsers.rst import Directive
  from docutils import nodes
  from sphinx.util.osutil import copyfile
label_desc: Use image node_id 1 for calling the PlainSectionDirective obj's underlying member method code with example usage: obj.run() and returns: list