From efc6be9f93a7e332123405944743ddf039ad7f8e Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 24 Nov 2020 21:23:28 +0530
Subject: [PATCH] Match signature

---
 src/calibre/db/tables.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/calibre/db/tables.py b/src/calibre/db/tables.py
index a373a291ac..76f243d269 100644
--- a/src/calibre/db/tables.py
+++ b/src/calibre/db/tables.py
@@ -571,8 +571,8 @@ class AuthorsTable(ManyToManyTable):
 
         return ret
 
-    def remove_items(self, item_ids, db):
-        raise ValueError('Direct removal of authors is not allowed')
+    def remove_items(self, item_ids, db, restrict_to_book_ids=None):
+        raise NotImplementedError('Direct removal of authors is not allowed')
 
 
 class FormatsTable(ManyToManyTable):