code: def test_import_without_gpu_raises(self):
      if theano_backend in ["pygpu", "pygpu_sandbox", "cuda_sandbox"]:
          pytest.skip()
      else:
          with pytest.raises(ImportError):
              import lasagne.layers.corrmm
  
imports: import numpy
  import pytest
  import importlib
  import theano
  from theano import tensor
  import lasagne
  from lasagne.utils import floatX, as_tuple
label_desc: Use image node_id 1 for calling the TestConv2DMMLayer obj's underlying member method code with example usage: obj.test_import_without_gpu_raises() without return types