Fixes from test_blas.py

theano/sandbox/gpuarray/blas.py

@@ -249,7 +249,7 @@ class GpuDot22(BlasOp, Dot22):
         dims[1] = PyGpuArray_DIMS(%(B)s)[1];
 
         if (theano_prep_output(&%(out)s, 2, dims, %(typecode)s, GA_C_ORDER,
-                              %(A)s->ctx)) {
+                               %(A)s->context)) {
             %(fail)s
         }
 

theano/sandbox/gpuarray/type.py

@@ -158,6 +158,8 @@ class GpuArrayType(Type):
         return data
 
     def filter_variable(self, other, allow_convert=True):
+        from theano.sandbox.gpuarray import GpuFromHost
+
         if hasattr(other, '_as_GpuArrayVariable'):
             other = other._as_GpuArrayVariable(self.context_name)
 
@@ -188,7 +190,7 @@ class GpuArrayType(Type):
                                  str(self.broadcastable)))
             other = other2
 
-        return theano.sandbox.gpuarray.basic_ops.gpu_from_host(other)
+        return GpuFromHost(self.context_name)(other)
 
     @staticmethod
     def values_eq(a, b):