1.1 --- a/imipweb/event.py	Thu Oct 15 23:30:41 2015 +0200
     1.2 +++ b/imipweb/event.py	Thu Oct 15 23:32:57 2015 +0200
     1.3 @@ -676,7 +676,7 @@
     1.4  
     1.5          # Indicate whether there are conflicting events.
     1.6  
     1.7 -        conflicts = []
     1.8 +        conflicts = set()
     1.9          attendee_map = uri_dict(self.obj.get_value_map("ATTENDEE"))
    1.10  
    1.11          for name, participant in uri_parts(self.get_current_attendees()):
    1.12 @@ -713,8 +713,9 @@
    1.13                       p.transp != "ORG"
    1.14                     ):
    1.15  
    1.16 -                    conflicts.append(p)
    1.17 +                    conflicts.add(p)
    1.18  
    1.19 +        conflicts = list(conflicts)
    1.20          conflicts.sort()
    1.21  
    1.22          # Show any conflicts with periods of actual attendance.