From 659d68add56317dcba7b98827313bc6270bec5c3 Mon Sep 17 00:00:00 2001
From: Jeremy Kersten <jke@odoo.com>
Date: Tue, 20 Dec 2016 21:10:51 +0100
Subject: [PATCH] [FIX] calendar: fix retrocompatibility between datetime
 module

Fix datetime where the return of rrule is sometime a list,
sometime a set according to the datetime version.
list(set) == list(list) and works in both cases.

Similar fix: #9f09c62
---
 addons/calendar/calendar.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/addons/calendar/calendar.py b/addons/calendar/calendar.py
index 3e714243641..75b79922c5a 100644
--- a/addons/calendar/calendar.py
+++ b/addons/calendar/calendar.py
@@ -1349,7 +1349,7 @@ class calendar_event(osv.Model):
             data['rrule_type'] = 'monthly'
 
         if r._bymonthday:
-            data['day'] = r._bymonthday[0]
+            data['day'] = list(r._bymonthday)[0]
             data['month_by'] = 'date'
             data['rrule_type'] = 'monthly'