From 4020171d1244ed5ee12e6699469e931c2fac1e10 Mon Sep 17 00:00:00 2001
From: Stefan Behnel <stefan_ml@behnel.de>
Date: Wed, 26 Feb 2014 21:22:14 +0100
Subject: use an actual set() for Scope.types_imported instead of a set-ishly
 used dict

---
 Cython/Compiler/ModuleNode.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Cython/Compiler/ModuleNode.py')

diff --git a/Cython/Compiler/ModuleNode.py b/Cython/Compiler/ModuleNode.py
index c837c8e3f..82516b84c 100644
--- a/Cython/Compiler/ModuleNode.py
+++ b/Cython/Compiler/ModuleNode.py
@@ -2510,7 +2510,7 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
                 type.vtabstruct_cname,
                 type.typeptr_cname,
                 code.error_goto_if_null(type.vtabptr_cname, pos)))
-        env.types_imported[type] = 1
+        env.types_imported.add(type)
 
     py3_type_name_map = {'str' : 'bytes', 'unicode' : 'str'}
 
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