From a5db65703ba52bcd19b229c1026badce59a284e5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20H=C3=B6rist?= <forenjunkie@chello.at>
Date: Sat, 17 Mar 2018 19:46:08 +0100
Subject: [PATCH] Fix displaying VCard of unknown contact

In some cases sub can be None

Fixes #8954
---
 gajim/common/helpers.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gajim/common/helpers.py b/gajim/common/helpers.py
index 97840abf6..a8d43a9a9 100644
--- a/gajim/common/helpers.py
+++ b/gajim/common/helpers.py
@@ -431,6 +431,8 @@ def get_uf_sub(sub):
         uf_sub = _('From')
     elif sub == 'both':
         uf_sub = _('Both')
+    elif sub is None:
+        uf_sub = _('Unknown')
     else:
         uf_sub = sub