From 55b8620b4333dd616400803cdfe580cef3ea9630 Mon Sep 17 00:00:00 2001
From: romanrizzi <rizziromanalejandro@gmail.com>
Date: Wed, 25 Mar 2020 12:57:31 -0300
Subject: [PATCH] FIX: TopicEmbed#absolutize_urls was trying to modify a frozen
 string

---
 app/models/topic_embed.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/topic_embed.rb b/app/models/topic_embed.rb
index b71726d4134..15922f7c4cd 100644
--- a/app/models/topic_embed.rb
+++ b/app/models/topic_embed.rb
@@ -192,7 +192,7 @@ class TopicEmbed < ActiveRecord::Base
       return contents
     end
     prefix = "#{uri.scheme}://#{uri.host}"
-    prefix << ":#{uri.port}" if uri.port != 80 && uri.port != 443
+    prefix += ":#{uri.port}" if uri.port != 80 && uri.port != 443
 
     fragment = Nokogiri::HTML.fragment("<div>#{contents}</div>")
     fragment.css('a').each do |a|