code: def is_nola_violation(
      window_type, window_size, stride, fft_size, length, center
  ):
      inv_window = create_inv_window_func(
          window_type, window_size, stride, fft_size, length
      )
  
      # Padding region is ignored for NOLA check since division is not occured.
      if center:
          pad = fft_size // 2
          inv_window = inv_window[pad:-pad]
  
      # True if zero element found.
      return np.any(inv_window < 1e-11)
  
file_path: nnabla/python/test/function/test_stft.py
imports: import pytest
  import numpy
  import nnabla
  import nnabla.functions
  import librosa
  from nbla_test_utils import list_context
label_desc: Use image node_id 3 for calling a global function with example usage: is_nola_violation(window_type, window_size, stride, fft_size, length, center) and returns: np