keep original data when getting detailed info for source

backend/metagenedb/api/catalog/views/source.py

@@ -28,12 +28,11 @@ class SourceViewSet(BulkViewSet):
     def _get_external_info(self, db_data):
         detailed_info_retriever = GetDOIExternalInfo(db_data['doi'])
         try:
-            detailed_data = detailed_info_retriever.get_details()
+            db_data['details'] = detailed_info_retriever.get_details()
         except NotImplementedError as not_implemented_error:
             logger.warning("Could not found API for the source, returning item from the DB. Error: %s" %
                            not_implemented_error)
-            detailed_data = db_data
-        return detailed_data
+        return db_data
 
     @swagger_auto_schema(
         operation_description="Retrieve gene source from a name",