From d6e8d5eddbca7154d008f7ef49efdc62dded7794 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 4 Mar 2014 10:59:27 -0500
Subject: - Fixed bug in association proxy where assigning an empty slice (e.g.
 ``x[:] = [...]``) would fail on Py3k.

---
 lib/sqlalchemy/ext/associationproxy.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'lib/sqlalchemy')

diff --git a/lib/sqlalchemy/ext/associationproxy.py b/lib/sqlalchemy/ext/associationproxy.py
index a4786de42..045645f86 100644
--- a/lib/sqlalchemy/ext/associationproxy.py
+++ b/lib/sqlalchemy/ext/associationproxy.py
@@ -540,11 +540,12 @@ class _AssociationList(_AssociationCollection):
                 stop = index.stop
             step = index.step or 1
 
+            start = index.start or 0
             rng = list(range(index.start or 0, stop, step))
             if step == 1:
                 for i in rng:
-                    del self[index.start]
-                i = index.start
+                    del self[start]
+                i = start
                 for item in value:
                     self.insert(i, item)
                     i += 1
-- 
cgit v1.2.1