From fcbf9305d7db620ab5dbea612ec753f6d340406e Mon Sep 17 00:00:00 2001
From: kojix2 <2xijok@gmail.com>
Date: Fri, 18 Jun 2021 10:43:28 +0900
Subject: [PATCH] Add StringIO for consistency

---
 lib/youplot/command.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/youplot/command.rb b/lib/youplot/command.rb
index 51dab9e..d91c178 100644
--- a/lib/youplot/command.rb
+++ b/lib/youplot/command.rb
@@ -169,7 +169,7 @@ module YouPlot
     def output_data(input)
       # Pass the input to subsequent pipelines
       case options[:pass]
-      when IO
+      when IO, StringIO
         options[:pass].print(input)
       else
         if options[:pass]