rename PatternSub.name to PatternSub.__name__ to allow reusing it

theano/gof/opt.py

@@ -575,7 +575,8 @@ class PatternSub(LocalOptimizer):
         self.__doc__ = self.__class__.__doc__ + "\n\nThis instance does: " + str(self) + "\n"
         self.allow_multiple_clients = allow_multiple_clients
         self.skip_identities_fn = skip_identities_fn
-        self.name = name
+        if name:
+            self.__name__ = name
 
     def skip_identities(self, expr):
         if self.skip_identities_fn:
@@ -672,8 +673,8 @@ class PatternSub(LocalOptimizer):
             return False
 
     def __str__(self):
-        if getattr(self,'name',None):
-            return self.name
+        if getattr(self,'__name__',None):
+            return self.__name__
         def pattern_to_str(pattern):
             if isinstance(pattern, (list, tuple)):
                 return "%s(%s)" % (str(pattern[0]), ", ".join([pattern_to_str(p) for p in pattern[1:]]))