Buffer is py2-only
diff --git a/OpenSSL/test/test_ssl.py b/OpenSSL/test/test_ssl.py
index 9b3122c..b4c42af 100644
--- a/OpenSSL/test/test_ssl.py
+++ b/OpenSSL/test/test_ssl.py
@@ -2819,6 +2819,7 @@
         self.assertEquals(count, 2)
         self.assertEquals(client.recv(2), b('xy'))
 
+    @skip_if_py3
     def test_short_buffer(self):
         """
         When passed a buffer containing a small number of bytes,