remove Exception error and have an alternative value

Author: aiscenblue

mongoengine_serialize/__init__.py

@@ -88,10 +88,7 @@ def __serialize(self, collection):
                 else:
                     serialized_attribute = self.__attribute_serialize(key, value)
                     altered_serialized = self.alter_after_serialize_attributes(serialized_attribute)
-                    if not altered_serialized:
-                        raise ValueError(
-                            self.alter_after_serialize_attributes.__name__ + "should return a non null value")
-                    new_key, new_value = altered_serialized
+                    new_key, new_value = altered_serialized if altered_serialized else serialized_attribute
                     setattr(json_serialized, new_key, new_value)
             return json_serialized
         else:

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='mongoengine-serialize',
-    version='1.1.4',
+    version='1.1.6',
     description='Mongoengine serializer',
     author='Jeffrey Marvin Forones',
     author_email='[email protected]',