docs: def _remove_single_line_import_comments(r):
      """We previously used more groups for the import statements and named each group."""
      logging.info('Removing single line import comments')
      import_r, remaining_r = split_by_last_import(r)
      new_import_r = redbaron.NodeList()
      for i, v in enumerate(import_r):
          if 1 < i < len(import_r) - 2:
              if not (
                  import_r[i - 2].type != 'comment'
                  and v.type == 'comment'
                  and import_r[i + 2].type != 'comment'
              ) or _is_keep_comment(v):
                  new_import_r.append(v)
          else:
              new_import_r.append(v)
      return new_import_r + remaining_r