=== modified file 'account_fixed_assets/wizard/account_fixed_assets_compute.py'
--- account_fixed_assets/wizard/account_fixed_assets_compute.py	2011-04-07 12:14:57 +0000
+++ account_fixed_assets/wizard/account_fixed_assets_compute.py	2011-10-03 11:41:54 +0000
@@ -66,7 +66,7 @@
         if context is None:
             context = {}
             
-        period = obj_asset._check_date(cr, uid, data['period_id'], data['date'], context)
+        period = obj_asset._check_date(cr, uid, [data['period_id']], data['date'], context)
         if data['category_id']:
             asset_ids = obj_asset.search(cr, uid, [('state','=','open'),('category_id','child_of',[data['category_id']])], context=context)
         else: