From 927f9ea4997676bcceea0d625703ac6ec66a68b2 Mon Sep 17 00:00:00 2001
From: ThibG <thib@sitedethib.com>
Date: Fri, 15 May 2020 11:38:12 +0200
Subject: [PATCH] Fix GifReader exceptions (#13760)

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

diff --git a/lib/paperclip/gif_transcoder.rb b/lib/paperclip/gif_transcoder.rb
index 64f12f9637e..9f3c8e8be33 100644
--- a/lib/paperclip/gif_transcoder.rb
+++ b/lib/paperclip/gif_transcoder.rb
@@ -6,7 +6,7 @@ class GifReader
   EXTENSION_LABELS = [0xf9, 0x01, 0xff].freeze
   GIF_HEADERS      = %w(GIF87a GIF89a).freeze
 
-  class GifReaderException; end
+  class GifReaderException < StandardError; end
 
   class UnknownImageType < GifReaderException; end