code: def test_scalar(self, xp, scp, dtype):
      import scipy.special  # NOQA
  
      return scp.special.gammaln(dtype(1.5))
  
file_path: cupy/tests/cupyx_tests/scipy_tests/special_tests/test_gammaln.py
imports: import math
  import numpy
  import pytest
  from cupy import testing
  import cupyx.scipy.special
label_desc: Use image node_id 3 for calling the TestGammaln obj's underlying member method code with example usage: obj.test_scalar(xp, scp, dtype) and returns: scp