ConvOp - removed references to default_infer_shape

theano/tensor/nnet/conv.py

@@ -502,14 +502,17 @@ class ConvOp(Op):
                 imshp = self.imshp_logical
             if self.kshp_logical:
                 kshp = self.kshp_logical
-            fmshp = ConvOp.getOutputShape(imshp[1:], kshp, (self.dx,self.dy), self.out_mode)
+            try:
+                fmshp = ConvOp.getOutputShape(imshp[1:], kshp, (self.dx,self.dy), self.out_mode)
+            except TypeError:
+                raise NotImplementedError()
             outshp = (batch_size,fmo) + tuple(fmshp)
             return [outshp] 
         else:
             # Haven't implemented this case. imshp and kshp may be symbollic
             # and ConvOp.getOutputShape doesn't handle this. In this case
             # we simply let the default function do its work.
-            return node.env.shape_feature.default_infer_shape(node, ishapes)
+            raise NotImplementedError()
 
     def perform(self,node, (img2d, filtersflipped), (z,)):
         """