From a8d87f2bb80242fc943e17cf042a5598ce8e0b19 Mon Sep 17 00:00:00 2001
From: "piotr.atyjaszyk" <piotrmk1@gmail.com>
Date: Wed, 1 Feb 2017 13:39:19 +0100
Subject: [PATCH] Allowed null values in datetime field of appointment

---
 smash/web/models.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/smash/web/models.py b/smash/web/models.py
index 0a96b6f6..4351c5a6 100644
--- a/smash/web/models.py
+++ b/smash/web/models.py
@@ -362,7 +362,8 @@ class Appointment(models.Model):
         verbose_name='Visit ID'
     )
     datetime_when = models.DateTimeField(
-        verbose_name='Appointment on'
+        verbose_name='Appointment on',
+        null=True
     )
     length = models.IntegerField(
         verbose_name='Appointment length (in minutes)'
-- 
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