code: def test_int_args(self, xp, scp):
      # Integer argument `a` was producing all 0s
      return (
          scp.signal.czt([0, 1], m=10, a=2),
          scp.signal.czt_points(11, w=2),
      )
  
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 4 for calling the TestCZTPoints obj's underlying member method code with example usage: obj.test_int_args(xp, scp) and returns: scp,  scp