From 66d5c6da0728640b2312c5e55a642a5ebb4e72e2 Mon Sep 17 00:00:00 2001
From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Wed, 23 Jan 2019 09:28:26 +0000
Subject: [PATCH] Incref an object which will be held forever in a static var

---
 psycopg/typecast.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/psycopg/typecast.c b/psycopg/typecast.c
index 005cce0e..ac2a0f9f 100644
--- a/psycopg/typecast.c
+++ b/psycopg/typecast.c
@@ -278,6 +278,7 @@ typecast_init(PyObject *dict)
 
         /* export binary object */
         if (typecast_builtins[i].values == typecast_BINARY_types) {
+            Py_INCREF((PyObject *)t);
             psyco_default_binary_cast = (PyObject *)t;
         }
         Py_DECREF((PyObject *)t);