Ticket #9055: 9055.diff

django/db/backends/util.py

@@ -13 +13 @@
         self.cursor = cursor
         self.db = db # Instance of a BaseDatabaseWrapper subclass
 
-    def execute(self, sql, params=()):
+    def execute(self, sql, params=None):
         start = time()
         try:
             return self.cursor.execute(sql, params)