From f6652caef4a388e71926c35ff8a4bceeb23cc2d0 Mon Sep 17 00:00:00 2001
From: Claire <claire.github-309c@sitedethib.com>
Date: Wed, 15 Apr 2026 11:54:38 +0200
Subject: [PATCH] Fix invalid arguments being passed to Redis in custom Chewy
 strategy (#38684)

---
 lib/chewy/strategy/mastodon.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/chewy/strategy/mastodon.rb b/lib/chewy/strategy/mastodon.rb
index a4b655c506..7eba23a0c9 100644
--- a/lib/chewy/strategy/mastodon.rb
+++ b/lib/chewy/strategy/mastodon.rb
@@ -17,6 +17,9 @@ module Chewy
         RedisConnection.with do |redis|
           redis.pipelined do |pipeline|
             @stash.each do |type, ids|
+              ids = ids&.compact
+              next if ids.blank?
+
               pipeline.sadd("chewy:queue:#{type.name}", ids)
             end
           end