be a little more conservative in the last change

diff --git a/Cython/Compiler/ExprNodes.py b/Cython/Compiler/ExprNodes.py
index f248af97e56eb85467e298d3ba9ca20567ba91ba..5b61722406b37a4c7a569ae6713e06d7b677a7dc 100644 (file)
--- a/Cython/Compiler/ExprNodes.py
+++ b/Cython/Compiler/ExprNodes.py
@@ -2002,7 +2002,8 @@ class SliceIndexNode(ExprNode):
     def analyse_target_types(self, env):
         self.analyse_types(env)
         # when assigning, we must accept any Python type
-        self.type = py_object_type
+        if self.type.is_pyobject:
+            self.type = py_object_type
 
     def analyse_types(self, env):
         self.base.analyse_types(env)