{"action":"opened","issue":{"url":"https://api.github.com/repos/marshmallow-code/marshmallow/issues/129","labels_url":"https://api.github.com/repos/marshmallow-code/marshmallow/issues/129/labels{/name}","comments_url":"https://api.github.com/repos/marshmallow-code/marshmallow/issues/129/comments","events_url":"https://api.github.com/repos/marshmallow-code/marshmallow/issues/129/events","html_url":"https://github.com/marshmallow-code/marshmallow/issues/129","id":54682480,"number":129,"title":"Move Marshaller and Unmarshaller out of `fields` module","user":{"login":"sloria","id":2379650,"avatar_url":"https://avatars.githubusercontent.com/u/2379650?v=3","gravatar_id":"","url":"https://api.github.com/users/sloria","html_url":"https://github.com/sloria","followers_url":"https://api.github.com/users/sloria/followers","following_url":"https://api.github.com/users/sloria/following{/other_user}","gists_url":"https://api.github.com/users/sloria/gists{/gist_id}","starred_url":"https://api.github.com/users/sloria/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sloria/subscriptions","organizations_url":"https://api.github.com/users/sloria/orgs","repos_url":"https://api.github.com/users/sloria/repos","events_url":"https://api.github.com/users/sloria/events{/privacy}","received_events_url":"https://api.github.com/users/sloria/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-01-18T01:26:30Z","updated_at":"2015-01-18T01:26:30Z","closed_at":null,"body":"`Marshaller` and `Unmarshaller` are considered to be private API whereas the rest of the classes in `marshmallow.fields` is public API. Therefore, it makes sense to separate those two classes into their own module."}}