code: def infer_parameter_objects(pyfunction):
      
      object_info = pyfunction.pycore.object_info
      result = object_info.get_parameter_objects(pyfunction)
      if result is None:
          result = _parameter_objects(pyfunction)
      _handle_first_parameter(pyfunction, result)
      return result
docs: Infer the `PyObject`\s of parameters of this `PyFunction`