code: def test_orthogonal_1d_shape(self):
      ortho = init.Orthogonal(scale=1)
      sampled_data = self.eval(ortho.sample(shape=(1,)))
      self.assertEqual((1,), sampled_data.shape)
  
imports: import math
  from scipy import stats
  import numpy
  from neupy import init
  from neupy.init import identify_fans
  from base import BaseTestCase
label_desc: Use image node_id 4 for calling the OrthogonalInitializeTestCase obj's underlying member method code with example usage: obj.test_orthogonal_1d_shape() without return types