From e66ff340d681cd81cedcb3c1c6b23a4c4b614fab Mon Sep 17 00:00:00 2001
From: Matt Robinson <git@nerdoftheherd.com>
Date: Sun, 5 Mar 2017 20:59:11 +0000
Subject: [PATCH] Prevent crash if MusicBrainz release date missing

If MusicBrainz returns data for the CD being ripped but no release date
is returned, we attempt to set the DATE tag to None (which is caught by
mutagen).  To resolve this, check if there is a value for release date
before setting.
---
 morituri/common/program.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/morituri/common/program.py b/morituri/common/program.py
index 5de9d14..58329c0 100644
--- a/morituri/common/program.py
+++ b/morituri/common/program.py
@@ -462,7 +462,8 @@ class Program:
         tags['TRACKNUMBER'] = u'%s' % number
 
         if self.metadata:
-            tags['DATE'] = self.metadata.release
+            if self.metadata.release is not None:
+                tags['DATE'] = self.metadata.release
 
             if number > 0:
                 tags['MUSICBRAINZ_TRACKID'] = mbidTrack