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-rw-r--r--ext/io/console/lib/console/size.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/io/console/lib/console/size.rb b/ext/io/console/lib/console/size.rb
index 519bc3be6d..f17206dfcf 100644
--- a/ext/io/console/lib/console/size.rb
+++ b/ext/io/console/lib/console/size.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
# fallback to console window size
def IO.default_console_size
[