code: def torch_operation(tensor):
      tensor_n = tensor.double() / 255
      return tensor_n.sin(), tensor_n.cos()
  
imports: import numpy
  import nvidia.dali.ops
  import nvidia.dali.plugin.pytorch
  import nvidia.dali.types
  import os
  import torch
  from nvidia.dali.pipeline import Pipeline
  from test_utils import get_dali_extra_path
label_desc: Use image node_id 1 for calling a global function with example usage: torch_operation(tensor) and returns: tensor_n,  tensor_n