code: def tf_where_binary_quantizer(x):
      return tf.where(x >= 0, tf.ones_like(x), -tf.ones_like(x))
  
imports: import functools
  import os
  import sys
  import tempfile
  import larq
  import numpy
  import pytest
  import tensorflow
  import tensorflow_datasets
  from larq_compute_engine.mlir.python.converter import convert_keras_model, convert_saved_model
  from larq_compute_engine.tflite.python.interpreter import Interpreter
  from preprocess import preprocess_image_tensor, IMAGE_SIZE
label_desc: Use image node_id 9 for calling a global function with example usage: tf_where_binary_quantizer(x) and returns: tf