code: def _str_summary(self):
      if self["Summary"]:
          return self["Summary"] + [""]
      else:
          return []
  
imports: from __future__ import division, absolute_import, print_function
  import inspect
  import textwrap
  import re
  import pydoc
  from warnings import warn
  import collections
  import copy
  import sys
label_desc: Use image node_id 18 for calling the NumpyDocString obj's underlying member method code with example usage: obj._str_summary() and returns: unknown, list