class_docstr: PyTorch model operator base
class_docstr_tok: ["PyTorch","model","operator","base"]
docstr: For training model
docstr_tok: ["For","training","model"]
code: def train(self):
      """
      For training model
      """
      pass
  
file_path: towhee/tests/unittests/mock_operators/pytorch_image_classification_operator/pytorch_image_classification_operator.py
imports: import json
  import numpy
  import torch
  from typing import NamedTuple
  from pathlib import Path
  import torchvision
  from towhee.operator import Operator
label_desc: Use image node_id 3 for calling the PyTorchImageClassificationOperator obj's underlying member method code with example usage: obj.train() without return types