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-rw-r--r--src/sugar/datastore/datastore.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/sugar/datastore/datastore.py b/src/sugar/datastore/datastore.py
index b88a877..1917b19 100644
--- a/src/sugar/datastore/datastore.py
+++ b/src/sugar/datastore/datastore.py
@@ -278,11 +278,14 @@ def delete(object_id):
logging.debug('datastore.delete')
dbus_helpers.delete(object_id)
-def find(query, sorting=None, limit=None, offset=None, properties=[],
+def find(query, sorting=None, limit=None, offset=None, properties=None,
reply_handler=None, error_handler=None):
query = query.copy()
+ if properties is None:
+ properties = []
+
if sorting:
query['order_by'] = sorting
if limit: