[Minor] convert to tuple

cron.py

@@ -102,7 +102,7 @@ def cron():
             for item in new_properties:
                 pprint(item)
                 query = """SELECT parent FROM properties where property = ?;"""
-                cur.execute(query, (item))
+                cur.execute(query, (item,))
                 parent = cur.fetchone()['parent']
                 if (parent):
                     value = player_json[parent][property]