From 155f4d73946c522f3224288546c70085fb0ff44b Mon Sep 17 00:00:00 2001
From: Carlo Cabrera <30379873+carlocab@users.noreply.github.com>
Date: Wed, 31 Aug 2022 16:04:21 +0800
Subject: [PATCH] Fix collection of `unused_pyc_files`.

---
 Library/Homebrew/cleanup.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/cleanup.rb b/Library/Homebrew/cleanup.rb
index 83d18ca333..ed776ec6dc 100644
--- a/Library/Homebrew/cleanup.rb
+++ b/Library/Homebrew/cleanup.rb
@@ -531,6 +531,7 @@ module Homebrew
 
       unused_pyc_files += pyc_files.reject { |k,| seen_non_pyc_file[k] }
                                    .values
+                                   .flatten
       return if unused_pyc_files.blank?
 
       unused_pyc_files.each do |pyc|