From 6418c8c96a91efd320da260e2ad4904e0bdfea41 Mon Sep 17 00:00:00 2001
From: James Graham <J.Graham@software.ac.uk>
Date: Thu, 2 Apr 2020 10:56:29 +0100
Subject: [PATCH] fix: Fix broken Activity export

Unexpected Series field no longer added when Activity does
not belong to a series
---
 export/serializers/base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/export/serializers/base.py b/export/serializers/base.py
index b7be1c6..f8e359c 100644
--- a/export/serializers/base.py
+++ b/export/serializers/base.py
@@ -38,7 +38,7 @@ class FlattenedModelSerializer(serializers.ModelSerializer):
                     # Keys in result dictionary are of format `key[.subkey[.subsubkey ...]]`
                     data_out[f'{key}.{sub_key}'] = sub_value
 
-            else:
+            elif value is not None:
                 data_out[key] = value
 
         return data_out