From 314a0f1c19957da97d1294b126cd3b7021731954 Mon Sep 17 00:00:00 2001
From: Robert Bradshaw <robertwb@math.washington.edu>
Date: Sun, 14 Nov 2010 00:08:49 -0800
Subject: [PATCH] tiny fix, cleanup

---
 Cython/Compiler/ParseTreeTransforms.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Cython/Compiler/ParseTreeTransforms.py b/Cython/Compiler/ParseTreeTransforms.py
index 1530c0c9..ae5bb142 100644
--- a/Cython/Compiler/ParseTreeTransforms.py
+++ b/Cython/Compiler/ParseTreeTransforms.py
@@ -1207,13 +1207,15 @@ class ExpandInplaceOperators(EnvTransform):
             lhs, let_ref_nodes = side_effect_free_reference(lhs, setting=True)
         except ValueError:
             return node
-        lhs.analyse_types(env)
         dup = lhs.__class__(**lhs.__dict__)
         binop = binop_node(node.pos, 
                            operator = node.operator,
                            operand1 = dup,
                            operand2 = rhs,
                            inplace=True)
+        # Manually analyse types for new node.
+        lhs.analyse_target_types(env)
+        dup.analyse_types(env)
         binop.analyse_operation(env)
         node = SingleAssignmentNode(
                             node.pos, 
@@ -1223,7 +1225,6 @@ class ExpandInplaceOperators(EnvTransform):
         let_ref_nodes.reverse()
         for t in let_ref_nodes:
             node = LetNode(t, node)
-        # Manually analyse types for new node.
         return node
 
     def visit_ExprNode(self, node):
-- 
2.26.2