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-rw-r--r--railties/lib/rails/generators/erb/mailer/mailer_generator.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/railties/lib/rails/generators/erb/mailer/mailer_generator.rb b/railties/lib/rails/generators/erb/mailer/mailer_generator.rb
index 3f1d9932f6..bfac10184e 100644
--- a/railties/lib/rails/generators/erb/mailer/mailer_generator.rb
+++ b/railties/lib/rails/generators/erb/mailer/mailer_generator.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
require "rails/generators/erb"
module Erb # :nodoc: