code: def _str_summary(self):
      if self["Summary"]:
          return self["Summary"] + [""]
      else:
          return []
  
imports: import inspect
  import textwrap
  import re
  import pydoc
  from io import StringIO
  from warnings import warn
label_desc: Use image node_id 16 for calling the NumpyDocString obj's underlying member method code with example usage: obj._str_summary() and returns: unknown, list