code: def test_compute_norms_type_raises():
      from lasagne.utils import compute_norms
  
      array = [[1, 2], [3, 4]]
  
      with pytest.raises(RuntimeError) as excinfo:
          compute_norms(array)
  
      assert ("Unsupported type") in str(excinfo.value)
  
imports: from mock import Mock
  import pytest
  import numpy
  import theano
  import theano.tensor
label_desc: Use image node_id 11 for calling a global function with example usage: test_compute_norms_type_raises() without return types