code: def _str_signature(self):
      if self["Signature"]:
          return [self["Signature"].replace("*", r"\*")] + [""]
      else:
          return [""]
  
imports: import inspect
  import textwrap
  import re
  import pydoc
  from collections.abc import Mapping
  import sys
label_desc: Use image node_id 17 for calling the NumpyDocString obj's underlying member method code with example usage: obj._str_signature() and returns: unknown, list