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-rw-r--r--test/lib/envutil.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/test/lib/envutil.rb b/test/lib/envutil.rb
index dac59bd984..e2eefbe917 100644
--- a/test/lib/envutil.rb
+++ b/test/lib/envutil.rb
@@ -1,5 +1,5 @@
# -*- coding: us-ascii -*-
-# frozen_string_literal: false
+# frozen_string_literal: true
require "open3"
require "timeout"
require_relative "find_executable"
@@ -159,7 +159,7 @@ module EnvUtil
end
def verbose_warning
- class << (stderr = "")
+ class << (stderr = "".dup)
alias write <<
end
stderr, $stderr, verbose, $VERBOSE = $stderr, stderr, $VERBOSE, true