change my distributions to assigner & assigned by param

apps/warehouse/web/api/v1/serializers.py

@@ -47,10 +47,13 @@ class InventoryEntrySerializer(serializers.ModelSerializer):
         return attrs
 
     def to_representation(self, instance):
+        """ custom output of inventory entry serializer """
+
         representation = super().to_representation(instance)
         if instance.document:
             representation['document'] = instance.document
         if instance.distribution:
+            # distribution data
             representation['distribution'] = {
                 'distribution': instance.distribution.distribution_id,
                 'sale_unit': instance.distribution.quota.sale_unit.unit,