code: def test_czt_points_errors(self, m):
      # Invalid number of points
      with pytest.raises(ValueError, match="Invalid number of CZT"):
          signal.czt_points(m)
  
imports: from math import pi
  import pytest
  import cupy
  import numpy
  from cupy import testing
  from cupy.testing import assert_allclose
  import cupyx.scipy.fft
  import cupyx.scipy.signal
label_desc: Use image node_id 3 for calling the TestErrors obj's underlying member method code with example usage: obj.test_czt_points_errors(m) without return types