diff --git a/beets/library.py b/beets/library.py
index 7fead8ca1..68789bf84 100644
--- a/beets/library.py
+++ b/beets/library.py
@@ -23,7 +23,6 @@ import sys
 import time
 import unicodedata
 from functools import cached_property
-from typing import NoReturn
 
 from mediafile import MediaFile, UnreadableFileError
 
@@ -50,7 +49,7 @@ log = logging.getLogger("beets")
 # Library-specific query types.
 
 
-class SingletonQuery(dbcore.FieldQuery[NoReturn]):
+class SingletonQuery(dbcore.FieldQuery[str]):
     """This query is responsible for the 'singleton' lookup.
 
     It is based on the FieldQuery and constructs a SQL clause
@@ -61,7 +60,7 @@ class SingletonQuery(dbcore.FieldQuery[NoReturn]):
     and singleton:false, singleton:0 are handled consistently.
     """
 
-    def __new__(cls, field, value, *args, **kwargs):
+    def __new__(cls, field: str, value: str, *args, **kwargs):
         query = dbcore.query.NoneQuery("album_id")
         if util.str2bool(value):
             return query