Added fix suggested by Pascal for the tests when dealing with the exception…

theano/tensor/basic.py

@@ -2319,7 +2319,10 @@ class Subtensor(Op):
 
         idx_list = list(self.idx_list)
         if len(idx_list) > x.type.ndim:
-            raise ValueError(Subtensor.e_invalid%(len(idx_list), x.type.ndim))
+            exception = ValueError(Subtensor.e_invalid%(len(idx_list),
+                                                        x.type.ndim))
+            exception.subtensor_invalid = True
+            raise exception
 
         #infer the broadcasting pattern
         padded = idx_list + [slice(0,sys.maxint,1)] * (x.type.ndim - len(idx_list))
@@ -2598,7 +2601,10 @@ class IncSubtensor(Op):
 
         idx_list = list(self.idx_list)
         if len(idx_list) > x.type.ndim:
-            raise ValueError(Subtensor.e_invalid%(len(idx_list), x.type.ndim))
+            exception = ValueError(Subtensor.e_invalid%(len(idx_list),
+                                                        x.type.ndim))
+            exception.subtensor_invalid = True
+            raise exception
 
         #infer the broadcasting pattern
         padded = idx_list + [slice(0,sys.maxint,1)] * (x.type.ndim - len(idx_list))

theano/tensor/tests/test_basic.py

@@ -1304,7 +1304,7 @@ class T_subtensor(unittest.TestCase):
         try:
             t = n[0]
         except ValueError, e:
-            self.failUnless(e[0] is Subtensor.e_invalid)
+            self.failUnless(hasattr(e,'subtensor_invalid'))
             return
         self.fail()
 
@@ -1356,7 +1356,7 @@ class T_subtensor(unittest.TestCase):
         try:
             t = n[0,0]
         except ValueError, e:
-            self.failUnless(e[0] is Subtensor.e_invalid)
+            self.failUnless(hasattr(e,'subtensor_invalid'))
             return
         self.fail()
     def test1_ok_elem(self):