From e8d4561db13c904546043356541d14ce98cfda70 Mon Sep 17 00:00:00 2001
From: Brian Candler <b.candler@pobox.com>
Date: Sat, 10 Aug 2019 10:04:13 +0100
Subject: [PATCH] Improve API error handling when a list is given as a choice
 value

See https://groups.google.com/forum/#!topic/netbox-discuss/H7xIrwVnOSM
---
 netbox/utilities/api.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/netbox/utilities/api.py b/netbox/utilities/api.py
index 9354cbb30..244140fc2 100644
--- a/netbox/utilities/api.py
+++ b/netbox/utilities/api.py
@@ -1,4 +1,5 @@
 from collections import OrderedDict
+from collections.abc import Hashable
 
 import pytz
 from django.conf import settings
@@ -101,7 +102,7 @@ class ChoiceField(Field):
                 except ValueError:
                     pass
 
-        if data not in self._choices:
+        if not isinstance(data, Hashable) or data not in self._choices:
             raise ValidationError("{} is not a valid choice.".format(data))
 
         return data