code: def test_gh_6721():
      # Regression test for gh_6721. This should not raise.
      sc.chebyt(65)(0.2)
  
imports: import numpy
  from numpy import array, sqrt
  from numpy.testing import assert_array_almost_equal, assert_equal, assert_almost_equal, assert_allclose
  from pytest import raises
  from scipy import integrate
  import scipy.special
  from scipy.special import gamma
  import scipy.special._orthogonal
label_desc: Use image node_id 19 for calling a global function with example usage: test_gh_6721() without return types