# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1426025263 -3600
# Node ID ce8dd6f08eef5b3d74e6ea97611c443e062836d9
# Parent  fd74a7906c4c1167bbbb6d321c26e5c198024cc0
Filter out "null" attendees when determining if there are any to invite.

diff -r fd74a7906c4c -r ce8dd6f08eef imip_manager.py
--- a/imip_manager.py	Tue Mar 10 23:06:48 2015 +0100
+++ b/imip_manager.py	Tue Mar 10 23:07:43 2015 +0100
@@ -808,7 +808,7 @@
 
         is_organiser = get_uri(obj.get_value("ORGANIZER")) == self.user
 
-        attendees = uri_values((obj.get_values("ATTENDEE") or []) + args.get("attendee", []))
+        attendees = uri_values((obj.get_values("ATTENDEE") or []) + filter(None, args.get("attendee", [])))
         is_attendee = self.user in attendees
 
         is_request = (obj.get_value("UID"), obj.get_value("RECURRENCE-ID")) in self._get_requests()