X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/b06aa6d82521befcb2871ec585e2c13f1b54ee2a..4c0d71c0c2a8b190249416b29b310f4afcab755b:/tasklib/task.py

diff --git a/tasklib/task.py b/tasklib/task.py
index 4377f1f..5acabe0 100644
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -165,6 +165,8 @@ class Task(TaskResource):
         return self['uuid'] is not None or self['id'] is not None
 
     def serialize_due(self, date):
+        if not date:
+            return None
         return date.strftime(DATE_FORMAT)
 
     def deserialize_due(self, date_str):