code: def breakup_comment(
      comment: typing.Optional[str],
  ) -> typing.List[str]:
      if not comment:
          return []
      lines = list(
          filter(
              lambda x: bool(x),
              [line.strip() for line in comment.split("\n")],
          )
      )
      return lines
  
imports: import os
  import typing
  import swagger_parser
  from typing_extensions import assert_never
label_desc: Use image node_id 9 for calling a global function with example usage: breakup_comment(comment) and returns: lines, list