code: def save_batch(batch_audio, batch_save_paths):
      for audio, name in zip(batch_audio, batch_save_paths):
          tf.logging.info("Saving: %s" % name)
          wavfile.write(name, 16000, audio)
  
file_path: magenta/magenta/models/nsynth/wavenet/fastgen.py
imports: from magenta.models.nsynth import utils
  from magenta.models.nsynth.wavenet.h512_bo16 import Config
  from magenta.models.nsynth.wavenet.h512_bo16 import FastGenerationConfig
  import numpy
  from scipy.io import wavfile
  import tensorflow.compat.v1
label_desc: Use image node_id 7 for calling a global function with example usage: save_batch(batch_audio, batch_save_paths) without return types