small change.

theano/sandbox/cuda/basic_ops.py

@@ -29,7 +29,7 @@ def as_cuda_ndarray_variable(x):
     if hasattr(x, '_as_CudaNdarrayVariable'):
         return x._as_CudaNdarrayVariable()
     tensor_x = tensor.as_tensor_variable(x)
-    return GpuFromHost()(tensor_x)
+    return gpu_from_host(tensor_x)
 
 class HostFromGpu(Op):
     def __eq__(self, other):
@@ -1833,7 +1833,7 @@ class GpuAlloc(Op):
     def make_node(self, value, *shape):
         #if their is unneeded transfert generated by the next line
         #the optimizer will remove them.
-        v = gpu_from_host(tensor.as_tensor_variable(value))
+        v = as_cuda_ndarray_variable(value)
         sh = [tensor.as_tensor_variable(s) for s in shape]
 
         bcast = []