code: def test_cqt_precision(y_cqt, sr_cqt, dtype):
      C = librosa.cqt(y=y_cqt, sr=sr_cqt, dtype=dtype)
      assert np.dtype(C.dtype) == np.dtype(dtype)
  
imports: from __future__ import division
  import warnings
  import os
  from typing import Optional
  import librosa
  import numpy
  import scipy.stats
  import pytest
  from test_core import srand
label_desc: Use image node_id 39 for calling a global function with example usage: test_cqt_precision(y_cqt, sr_cqt, dtype) without return types