From ce3432f5f42c86eef9823cd780be3c1b4a165bb3 Mon Sep 17 00:00:00 2001
From: wiredfool <eric-github@soroos.net>
Date: Wed, 23 Nov 2016 06:24:40 -0800
Subject: [PATCH] Test for issue #2206

---
 Tests/test_file_libtiff.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Tests/test_file_libtiff.py b/Tests/test_file_libtiff.py
index 2d1b33154..bc2149dd6 100644
--- a/Tests/test_file_libtiff.py
+++ b/Tests/test_file_libtiff.py
@@ -39,6 +39,8 @@ class LibTiffTestCase(PillowTestCase):
         out = self.tempfile("temp.png")
         im.save(out)
 
+        out_bytes = io.BytesIO()
+        im.save(out_bytes, format='tiff', compression='group4')
 
 class TestFileLibTiff(LibTiffTestCase):