From def1bc5adee34d13f0b262131e1a8ec66dd9e6f4 Mon Sep 17 00:00:00 2001
From: Zach Taylor <ztaylor@chicagoventure.com>
Date: Mon, 19 Oct 2020 14:45:29 -0500
Subject: [PATCH] Allow attribute_value to be None if enum type

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

diff --git a/eav/models.py b/eav/models.py
index 3321616..4a441d5 100644
--- a/eav/models.py
+++ b/eav/models.py
@@ -529,7 +529,8 @@ class Entity(object):
             if self._hasattr(attribute.slug):
                 attribute_value = self._getattr(attribute.slug)
                 if attribute.datatype == Attribute.TYPE_ENUM and not isinstance(attribute_value, EnumValue):
-                    attribute_value = EnumValue.objects.get(value=attribute_value)
+                    if attribute_value is not None: 
+                        attribute_value = EnumValue.objects.get(value=attribute_value)
                 attribute.save_value(self.instance, attribute_value)
 
     def validate_attributes(self):