code: def tensor2list(tensor: Tensor) -> List[Union[int, float]]:
      """Converts tensor to a list"""
      return tensor.detach().cpu().tolist()
  
imports: import os
  import time
  from typing import Callable, Dict, List, Optional, Union
  import numpy
  import torch
  import torch.nn.functional
  from matplotlib import pyplot
  from sklearn.metrics import classification_report, confusion_matrix
  from torch import Tensor
  from nemo.collections.nlp.modules.common.megatron.utils import erf_gelu
  from nemo.collections.nlp.modules.common.megatron.utils import openai_gelu
  from nemo.collections.nlp.modules.common.megatron.utils import squared_relu
  from nemo.utils import logging
label_desc: Use image node_id 3 for calling a global function with example usage: tensor2list(tensor) and returns: tensor