From d2ceefbe73110938e8b3b00cc2f037d366f0de6a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20Ka=CC=88ser?= <mail@michelkaeser.ch>
Date: Thu, 6 Aug 2015 17:54:35 +0200
Subject: [PATCH] always return lists; ensure no duplicates in get_managers

---
 ipynbsrv/core/models.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ipynbsrv/core/models.py b/ipynbsrv/core/models.py
index 69a5634..8bf5aa2 100644
--- a/ipynbsrv/core/models.py
+++ b/ipynbsrv/core/models.py
@@ -365,7 +365,8 @@ def get_managers(self):
         """
         managers = self.admins.all()
         if self.creator:
-            managers.append(self.creator)
+            if not self.is_admin(self.creator):
+                managers.append(self.creator)
         return managers
 
     def get_members(self):
@@ -376,7 +377,7 @@ def get_members(self):
         members = admins + self.get_users()
         if self.creator:
             members.append(self.creator)
-        return set(members)
+        return list(set(members))
 
     def get_users(self):
         """