fix import for the new place of shared variable

theano/sandbox/cuda/__init__.py

@@ -12,8 +12,6 @@ from basic_ops import (GpuFromHost, HostFromGpu, GpuElemwise,
 import opt
 import cuda_ndarray
 
-import theano.compile.sandbox
-
 import os
 import theano.config as config
 from theano.compile import optdb

theano/sandbox/cuda/tests/test_basic_ops.py

 import sys, time
-from theano.compile.sharedvalue import shared
+
+from theano import shared
 from theano.compile.pfunc import pfunc
 from theano import tensor
 

theano/sandbox/cuda/var.py

@@ -2,7 +2,7 @@ import numpy
 
 from theano import Op, Type, Apply, Variable, Constant
 from theano import tensor
-from theano.compile.sandbox.sharedvalue import shared, SharedVariable, shared_constructor
+from theano.compile import shared, SharedVariable, shared_constructor
 
 from theano.sandbox.cuda.type import CudaNdarrayType
 from theano.sandbox.cuda.type_support import filter as type_support_filter