{"action":"opened","issue":{"url":"https://api.github.com/repos/mojodna/tilelive-tmsource/issues/5","labels_url":"https://api.github.com/repos/mojodna/tilelive-tmsource/issues/5/labels{/name}","comments_url":"https://api.github.com/repos/mojodna/tilelive-tmsource/issues/5/comments","events_url":"https://api.github.com/repos/mojodna/tilelive-tmsource/issues/5/events","html_url":"https://github.com/mojodna/tilelive-tmsource/issues/5","id":106396561,"number":5,"title":"Cannot read property 'datasources' of undefined [SOLVED]","user":{"login":"eschwartz","id":1153371,"avatar_url":"https://avatars.githubusercontent.com/u/1153371?v=3","gravatar_id":"","url":"https://api.github.com/users/eschwartz","html_url":"https://github.com/eschwartz","followers_url":"https://api.github.com/users/eschwartz/followers","following_url":"https://api.github.com/users/eschwartz/following{/other_user}","gists_url":"https://api.github.com/users/eschwartz/gists{/gist_id}","starred_url":"https://api.github.com/users/eschwartz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/eschwartz/subscriptions","organizations_url":"https://api.github.com/users/eschwartz/orgs","repos_url":"https://api.github.com/users/eschwartz/repos","events_url":"https://api.github.com/users/eschwartz/events{/privacy}","received_events_url":"https://api.github.com/users/eschwartz/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-09-14T18:03:02Z","updated_at":"2015-09-14T18:03:02Z","closed_at":null,"body":"Running v0.3.0 of this package with mapnik v3.0.3 causes an error:\r\n\r\n```\r\nCannot read property 'datasources' of undefined\r\n```\r\n\r\nThis is because `mapnik-reference` was looking for v3.0.3 of mapnik, when only v3.0.0 was defined in their lookup table.\r\n\r\nUpgrading tilelive-tmsource to v0.4.0 solves this issue -- I'm just posting this here to make it easier for others to figure out."}}