code: def __setitem__(self, key, val):
      if key not in self._parsed_data:
          warn("Unknown section %s" % key)
      else:
          self._parsed_data[key] = val
  
imports: import inspect
  import textwrap
  import re
  import pydoc
  from io import StringIO
  from warnings import warn
label_desc: Use image node_id 3 for calling the NumpyDocString obj's underlying member method code with example usage: obj.__setitem__(key, val) without return types