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-rw-r--r--test/rubygems/test_gem_install_update_options.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_install_update_options.rb b/test/rubygems/test_gem_install_update_options.rb
index e7dc52a63c..d81fa86e9c 100644
--- a/test/rubygems/test_gem_install_update_options.rb
+++ b/test/rubygems/test_gem_install_update_options.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'rubygems/installer_test_case'
require 'rubygems/install_update_options'
require 'rubygems/command'