code: def echo_ndarray(cls, datas: NDArray[Any]) -> NDArray[Any]:
      return datas
  
file_path: BentoML/tests/e2e/bento_server_grpc/python_model.py
imports: from __future__ import annotations
  from typing import TYPE_CHECKING
  from typing import Any
  import numpy
  import pandas
label_desc: Use image node_id 3 for calling the PythonFunction obj's underlying member method code with example usage: obj.echo_ndarray(cls, datas) and returns: datas