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-rw-r--r--actioncable/Rakefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/actioncable/Rakefile b/actioncable/Rakefile
index e21843bb44..95875fa27b 100644
--- a/actioncable/Rakefile
+++ b/actioncable/Rakefile
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rake/testtask"
require "pathname"
require "open3"