diff --git a/beetsplug/fish.py b/beetsplug/fish.py
index 4778f0d186..b37b146203 100644
--- a/beetsplug/fish.py
+++ b/beetsplug/fish.py
@@ -29,6 +29,7 @@
 <https://fishshell.com/docs/current/completions.html>.
 """
 
+from __future__ import annotations
 
 import io
 import optparse