code: def test_orthogonal():
      import numpy as np
      from lasagne.init import Orthogonal
  
      sample = Orthogonal().sample((100, 200))
      assert np.allclose(
          np.dot(sample, sample.T), np.eye(100), atol=1e-6
      )
  
      sample = Orthogonal().sample((200, 100))
      assert np.allclose(
          np.dot(sample.T, sample), np.eye(100), atol=1e-6
      )
  
imports: import pytest
label_desc: Use image node_id 33 for calling a global function with example usage: test_orthogonal() without return types