These are needed for the cuda tests.

theano/sandbox/gpuarray/tests/test_basic_ops.py

@@ -16,7 +16,7 @@ if theano.sandbox.gpuarray.pygpu is None:
 from theano.sandbox.gpuarray.type import GpuArrayType, \
     gpuarray_shared_constructor
 from theano.sandbox.gpuarray.basic_ops import host_from_gpu, gpu_from_host, \
-    gpu_alloc
+    gpu_alloc, gpu_from_cuda, cuda_from_gpu
 
 from theano.tests import unittest_tools as utt
 utt.seed_rng()