code: def _transform_tf(_input: tf.Tensor) -> tf.Tensor:
      return tf.cast(_input, tf.float16)
  
imports: import copy
  from abc import ABC, abstractmethod
  from typing import List, Any, Dict
  import numpy
  from nebullvm.optional_modules.tensorflow import tensorflow
  from nebullvm.optional_modules.torch import torch
label_desc: Use image node_id 2 for calling the HalfPrecisionTransformation obj's underlying member method code with example usage: obj._transform_tf(_input) and returns: tf