From a3eed9c9f530f62b6d4c595b0f66ab16c5a4978d Mon Sep 17 00:00:00 2001
From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Thu, 5 Jun 2014 01:32:58 +0200
Subject: [PATCH] Added guard on params with no length on callproc

---
 psycopg/cursor_type.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/psycopg/cursor_type.c b/psycopg/cursor_type.c
index 835f278b..effb2e66 100644
--- a/psycopg/cursor_type.c
+++ b/psycopg/cursor_type.c
@@ -1058,7 +1058,7 @@ psyco_curs_callproc(cursorObject *self, PyObject *args)
 
     /* a Dict is complicated; the parameter names go into the query */
     if (using_dict) {
-#if PG_VERSION_HEX >= 0x090000
+#if PG_VERSION_NUM >= 90000
         if (!(pnames = PyDict_Keys(parameters))) {
             goto exit;
         }