diff --git a/addons/account/account.py b/addons/account/account.py
index 7e0afba3700..bfc16a4c419 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -1375,7 +1375,7 @@ class account_move(osv.osv):
         balance = 0.0
         for line in line_ids:
             if line[2]:
-                balance += (line[2]['debit'] or 0.00)- (line[2]['credit'] or 0.00)
+                balance += (line[2].get('debit',0.00)- (line[2].get('credit',0.00)))
         return {'value': {'balance': balance}}
 
     def write(self, cr, uid, ids, vals, context=None):
diff --git a/addons/event/event.py b/addons/event/event.py
index 64a2b187a5a..747981f854b 100644
--- a/addons/event/event.py
+++ b/addons/event/event.py
@@ -57,7 +57,7 @@ class event_event(osv.osv):
             ids = [ids]
 
         res = []
-        for record in self.browse(cr, uid, ids, context=context)
+        for record in self.browse(cr, uid, ids, context=context):
             date = record.date_begin.split(" ")[0]
             date_end = record.date_end.split(" ")[0]
             if date != date_end:
diff --git a/addons/stock/product.py b/addons/stock/product.py
index b8e8ddc4505..2016e25a5f6 100644
--- a/addons/stock/product.py
+++ b/addons/stock/product.py
@@ -44,7 +44,7 @@ class product_product(osv.osv):
         ], ['product_id'], ['product_id'])
         for move in moves:
             product_id = move['product_id'][0]
-            res[product_id]['reception_count'] = move['product_id_count']
+            res[product_id]['delivery_count'] = move['product_id_count']
         return res
 
     def get_product_accounts(self, cr, uid, product_id, context=None):