code: def test_points(self, xp, scp, N):
      return scp.signal.czt_points(N)
  
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 1 for calling the TestCZTPoints obj's underlying member method code with example usage: obj.test_points(xp, scp, N) and returns: scp