From 8b15521dcc5cad2bcf9197c683be95611b385448 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Wed, 26 Jun 2013 10:07:38 +0200
Subject: [PATCH] do not fail on wrong dates

---
 tabellio/documents/common.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tabellio/documents/common.py b/tabellio/documents/common.py
index b36c63c..ac72a34 100644
--- a/tabellio/documents/common.py
+++ b/tabellio/documents/common.py
@@ -7,7 +7,10 @@ import tabellio.config.utils
 class BasePublication(object):
     @property
     def date_str(self):
-        return self.date.strftime('%d/%m/%Y')
+        try:
+            return self.date.strftime('%d/%m/%Y')
+        except AttributeError:
+            return ''
 
     def get_authors_as_string(self):
         if not self.authors: