[Minor] Closing bracket

cron.py

@@ -42,7 +42,7 @@ def update_missing_value(maintainer, player, property, value):
         VALUES (?, ?, ?, ?);"""
     conn = sqlite3.connect(settings.db_path + '/slork.sqlite')
     cur = conn.cursor()
-    cur.execute(query, (maintainer, player, property, value)
+    cur.execute(query, (maintainer, player, property, value))
 
 def cron():
     query = """SELECT player_properties.maintainer,