# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1431967256 -7200
# Node ID d3b23bece6a59381d3f57039e4610331a57cb168
# Parent  263c935762e3d9b22c86a21f1bc6b9180c44f5e1
Handle missing datetime properties when requesting datetime items.

diff -r 263c935762e3 -r d3b23bece6a5 imiptools/data.py
--- a/imiptools/data.py	Mon May 18 18:18:11 2015 +0200
+++ b/imiptools/data.py	Mon May 18 18:40:56 2015 +0200
@@ -87,7 +87,9 @@
         return get_date_value_items(self.details, name, tzid)
 
     def get_datetime(self, name):
-        dt, attr = get_datetime_item(self.details, name)
+        t = get_datetime_item(self.details, name)
+        if not t: return None
+        dt, attr = t
         return dt
 
     def get_datetime_item(self, name):