From ab7038bfc20c052821c2852ffddb97eefd811086 Mon Sep 17 00:00:00 2001
From: Dan Ungureanu <dan@ungureanu.me>
Date: Fri, 16 Aug 2019 17:32:17 +0300
Subject: [PATCH] DEV: User simulator tried to modify frozen string.

---
 script/user_simulator.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script/user_simulator.rb b/script/user_simulator.rb
index 4d76d27bf6d..fb7853ac71c 100644
--- a/script/user_simulator.rb
+++ b/script/user_simulator.rb
@@ -15,7 +15,7 @@ def sentence
     gabbler.learn(story)
   end
 
-  sentence = ""
+  sentence = +""
   until sentence.length > 800 do
     sentence << @gabbler.sentence
     sentence << "\n"