code: def test_1d_shape(self):
      x = [1, 2, 3, 4, 5]
      y = [4, 5, 6, 7, 8]
      tck = splrep(x, y)
      z = splev([1], tck)
      assert_equal(z.shape, (1,))
      z = splev(1, tck)
      assert_equal(z.shape, ())
  
imports: import itertools
  import os
  import numpy
  from numpy.testing import assert_equal, assert_allclose, assert_, assert_almost_equal, assert_array_almost_equal
  from pytest import raises
  import pytest
  from scipy._lib._testutils import check_free_memory
  from scipy.interpolate import RectBivariateSpline
  from scipy.interpolate._fitpack_py import splrep, splev, bisplrep, bisplev, sproot, splprep, splint, spalde, splder, splantider, insert, dblint
  from scipy.interpolate.dfitpack import regrid_smth
  from scipy.interpolate._fitpack2 import dfitpack_int
label_desc: Use image node_id 1 for calling the TestSplev obj's underlying member method code with example usage: obj.test_1d_shape() without return types