code: def _description_lines(explanation):
      # type: (Explanation) -> List[str]
      return [explanation.description or ""]
  
imports: from __future__ import absolute_import
  from itertools import chain
  import six
  from tabulate import tabulate
  from typing import List, Optional, Iterator
  from eli5.base import Explanation, FeatureImportances
  from .None import fields
  from .features import FormattedFeatureName
  from .utils import format_signed, format_value, format_weight, has_any_values_for_weights, replace_spaces, should_highlight_spaces
  from .utils import tabulate
  from .trees import tree2text
label_desc: Use image node_id 3 for calling a global function with example usage: _description_lines(explanation) and returns: list