code: def __doc__(self):
      if (rv := self._cached_doc) is not None:
          return rv
      rv = self._cached_doc = self._make_doc()
      return rv
  
imports: import inspect
  import os
  import sys
  import warnings
  from functools import partial
  from importlib.metadata import entry_points
  import networkx
  from ..exception import NetworkXNotImplemented
label_desc: Use image node_id 2 for calling the _dispatchable obj's underlying member method code with example usage: obj.__doc__() and returns: rv, rv