From c8dfa7e21f7bb7b19ad1a28da5890ba60b609a69 Mon Sep 17 00:00:00 2001
From: mpeltriaux <michel.peltriaux@sgdnord.rlp.de>
Date: Mon, 24 Jan 2022 12:50:28 +0100
Subject: [PATCH] #31 API POST Intervention

* adds check for deserializing of konova codes
---
 api/utils/serializer/v1/serializer.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/api/utils/serializer/v1/serializer.py b/api/utils/serializer/v1/serializer.py
index 984038da..63c71827 100644
--- a/api/utils/serializer/v1/serializer.py
+++ b/api/utils/serializer/v1/serializer.py
@@ -63,6 +63,8 @@ class AbstractModelAPISerializerV1(AbstractModelAPISerializer):
         Returns:
 
         """
+        if json_str is None or len(json_str) == 0:
+            return None
         code = KonovaCode.objects.get(
             atom_id=json_str,
             code_lists__in=[code_list_identifier]