code: def test_spalde_scalar_input(self):
      """Ticket #629"""
      x = np.linspace(0, 10)
      y = x**3
      tck = interp.splrep(x, y, k=3, t=[5])
      res = interp.spalde(np.float64(1), tck)
      des = np.array([1.0, 3.0, 6.0, 6.0])
      assert_almost_equal(res, des)
  
imports: import numpy
  import scipy.interpolate
  from numpy.testing import assert_almost_equal
label_desc: Use image node_id 1 for calling the TestRegression obj's underlying member method code with example usage: obj.test_spalde_scalar_input() without return types