{"action":"opened","issue":{"url":"https://api.github.com/repos/ellisonbg/altair/issues/102","repository_url":"https://api.github.com/repos/ellisonbg/altair","labels_url":"https://api.github.com/repos/ellisonbg/altair/issues/102/labels{/name}","comments_url":"https://api.github.com/repos/ellisonbg/altair/issues/102/comments","events_url":"https://api.github.com/repos/ellisonbg/altair/issues/102/events","html_url":"https://github.com/ellisonbg/altair/issues/102","id":156048400,"number":102,"title":"Traitlets silently ignore typos","user":{"login":"jakevdp","id":781659,"avatar_url":"https://avatars.githubusercontent.com/u/781659?v=3","gravatar_id":"","url":"https://api.github.com/users/jakevdp","html_url":"https://github.com/jakevdp","followers_url":"https://api.github.com/users/jakevdp/followers","following_url":"https://api.github.com/users/jakevdp/following{/other_user}","gists_url":"https://api.github.com/users/jakevdp/gists{/gist_id}","starred_url":"https://api.github.com/users/jakevdp/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jakevdp/subscriptions","organizations_url":"https://api.github.com/users/jakevdp/orgs","repos_url":"https://api.github.com/users/jakevdp/repos","events_url":"https://api.github.com/users/jakevdp/events{/privacy}","received_events_url":"https://api.github.com/users/jakevdp/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-20T20:50:20Z","updated_at":"2016-05-20T20:50:20Z","closed_at":null,"body":"```\r\n>>> from altair.schema import Config\r\n>>> Config(backgruond='blue').to_dict()\r\n{}\r\n>>> Config(background='blue').to_dict()\r\n{'background': 'blue'}\r\n```\r\nIs there an easy way to tell traitlets to validate initialization arguments?"}}
{"actor":{"display_login":"jakevdp"}}