code: def check_save_condition(backend, audio_arr):
      if audio_arr.dtype.itemsize > 4:
          return False
      if backend == "pydub" and str(audio_arr.dtype).find("float") > -1:
          return False
  
      return True
  
file_path: nnabla/python/test/utils/test_audio_utils.py
imports: from __future__ import division
  import pytest
  import numpy
  from six import BytesIO, StringIO
  from nnabla.logger import logger
  from nnabla.testing import assert_allclose
label_desc: Use image node_id 3 for calling a global function with example usage: check_save_condition(backend, audio_arr) and returns: True, False, False