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-rw-r--r--test/drawing/tc_cat_axis_data.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/drawing/tc_cat_axis_data.rb b/test/drawing/tc_cat_axis_data.rb
index 09b14be6..23d78090 100644
--- a/test/drawing/tc_cat_axis_data.rb
+++ b/test/drawing/tc_cat_axis_data.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
# require 'tc_helper.rb'
# class TestCatAxisData < Test::Unit::TestCase