Fix the new deep copy. I was not passing and using correctly the memo.

theano/gof/link.py

@@ -319,18 +319,23 @@ class Container(object):
         return "<" + repr(self.storage[0]) + ">"
 
     def __deepcopy__(self, memo):
+        data_was_in_memo = id(self.storage[0]) in memo
         r = type(self)(
             deepcopy(self.type, memo),
-            deepcopy(self.storage),
-            deepcopy(self.readonly),
-            deepcopy(self.strict),
-            deepcopy(self.allow_downcast),
+            deepcopy(self.storage, memo=memo),
+            deepcopy(self.readonly, memo=memo),
+            deepcopy(self.strict, memo=memo),
+            deepcopy(self.allow_downcast, memo=memo),
             deepcopy(self.name, memo),
             )
-        # To force the call to filter.  This is a work around NumPy
-        # deepcopy of ndarray with 0 dimention that don't return an
-        # ndarray.
-        r.data = r.data
+        # Work around NumPy deepcopy of ndarray with 0 dimention that
+        # don't return an ndarray.
+        if (r.storage[0] is not None and
+            not self.type.is_valid_value(r.storage[0])):
+
+            assert not data_was_in_memo
+            r.data = r.storage[0]
+            memo[id(self.storage[0])] = r.storage[0]
         return r