code: def __iter__(self):
      section = self.config.sections.get(self.name, [])
  
      def lineof(key):
          return self.config.lineof(self.name, key)
  
      for name in sorted(section, key=lineof):
          yield name
  
imports: import io
label_desc: Use image node_id 5 for calling the SectionWrapper obj's underlying member method code with example usage: obj.__iter__() and returns: self