From bca4a468f0a1cd8efd89b91c79836464f56e4f0e Mon Sep 17 00:00:00 2001
From: Oleg Yakovenko <olegykz@gmail.com>
Date: Fri, 5 Mar 2021 13:31:00 +0200
Subject: feature: spec fix

---
 lib/axlsx/drawing/scatter_series.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/axlsx/drawing/scatter_series.rb b/lib/axlsx/drawing/scatter_series.rb
index fd29053e..bd03f623 100644
--- a/lib/axlsx/drawing/scatter_series.rb
+++ b/lib/axlsx/drawing/scatter_series.rb
@@ -123,7 +123,7 @@ module Axlsx
         '<c:symbol val="none"/>'
       elsif @marker_symbol != :default
         '<c:symbol val="' + @marker_symbol.to_s + '"/>'
-      end
+      end.to_s
     end
   end
 end
-- 
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