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-rw-r--r--Library/Homebrew/cmd/cleanup.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/Library/Homebrew/cmd/cleanup.rb b/Library/Homebrew/cmd/cleanup.rb
index b7319c33c..22ed236f9 100644
--- a/Library/Homebrew/cmd/cleanup.rb
+++ b/Library/Homebrew/cmd/cleanup.rb
@@ -1,6 +1,7 @@
require "formula"
require "keg"
require "bottles"
+require "thread"
module Homebrew
def cleanup