From 185a10f7c5a9f4f588c42d890aeb077383676005 Mon Sep 17 00:00:00 2001
From: Edward d'Auvergne <edward@nmr-relax.com>
Date: Mon, 18 Nov 2019 10:09:03 +0100
Subject: [PATCH] Catalogs: Python3 does not have a 'long' integer type.

---
 catalog/catalog.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/catalog/catalog.py b/catalog/catalog.py
index 25931ec..283eb7e 100644
--- a/catalog/catalog.py
+++ b/catalog/catalog.py
@@ -17,6 +17,14 @@ CATALOG_VERSION = 4
 quiet = False
 verbose = False
 
+# The Python version.
+PY_VERSION = sys.version_info[0]
+
+# Python 2 and 3 compatibility.
+if PY_VERSION == 3:
+    long = int
+
+
 def warning(msg):
     if not quiet:
         print(msg)