{"action":"created","issue":{"url":"https://api.github.com/repos/cssnext/gulp-cssnext/issues/4","labels_url":"https://api.github.com/repos/cssnext/gulp-cssnext/issues/4/labels{/name}","comments_url":"https://api.github.com/repos/cssnext/gulp-cssnext/issues/4/comments","events_url":"https://api.github.com/repos/cssnext/gulp-cssnext/issues/4/events","html_url":"https://github.com/cssnext/gulp-cssnext/issues/4","id":81474879,"number":4,"title":"Constant error in events.js","user":{"login":"stopsatgreen","id":98774,"avatar_url":"https://avatars.githubusercontent.com/u/98774?v=3","gravatar_id":"","url":"https://api.github.com/users/stopsatgreen","html_url":"https://github.com/stopsatgreen","followers_url":"https://api.github.com/users/stopsatgreen/followers","following_url":"https://api.github.com/users/stopsatgreen/following{/other_user}","gists_url":"https://api.github.com/users/stopsatgreen/gists{/gist_id}","starred_url":"https://api.github.com/users/stopsatgreen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stopsatgreen/subscriptions","organizations_url":"https://api.github.com/users/stopsatgreen/orgs","repos_url":"https://api.github.com/users/stopsatgreen/repos","events_url":"https://api.github.com/users/stopsatgreen/events{/privacy}","received_events_url":"https://api.github.com/users/stopsatgreen/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-05-27T14:40:38Z","updated_at":"2015-05-27T15:26:29Z","closed_at":null,"body":"Have installed the latest version, set up my gulpfile.js, but when I run the task I get this error:\r\n\r\n```\r\nevents.js:85\r\n      throw er; // Unhandled 'error' event\r\n            ^\r\nTypeError: undefined is not a function\r\n    at LazyResult.run (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/cssnext/node_modules/postcss/lib/lazy-result.js:193:24)\r\n    at LazyResult.sync (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/cssnext/node_modules/postcss/lib/lazy-result.js:179:32)\r\n    at LazyResult.stringify (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/cssnext/node_modules/postcss/lib/lazy-result.js:210:14)\r\n    at LazyResult._createClass.get (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/cssnext/node_modules/postcss/lib/lazy-result.js:232:25)\r\n    at cssnext (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/cssnext/index.js:220:20)\r\n    at DestroyableTransform._transform (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/index.js:24:23)\r\n    at DestroyableTransform.Transform._read (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:184:10)\r\n    at DestroyableTransform.Transform._write (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:172:12)\r\n    at doWrite (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js:237:10)\r\n    at writeOrBuffer (/Users/petergasston/Sites/prototypes/mucking-about/cssnext/node_modules/gulp-cssnext/node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js:227:5)\r\n```\r\nHave checked my paths and run a ‘virgin’ pipeline, all works fine; the error is when `cssnext` is run."},"comment":{"url":"https://api.github.com/repos/cssnext/gulp-cssnext/issues/comments/105957848","html_url":"https://github.com/cssnext/gulp-cssnext/issues/4#issuecomment-105957848","issue_url":"https://api.github.com/repos/cssnext/gulp-cssnext/issues/4","id":105957848,"user":{"login":"stopsatgreen","id":98774,"avatar_url":"https://avatars.githubusercontent.com/u/98774?v=3","gravatar_id":"","url":"https://api.github.com/users/stopsatgreen","html_url":"https://github.com/stopsatgreen","followers_url":"https://api.github.com/users/stopsatgreen/followers","following_url":"https://api.github.com/users/stopsatgreen/following{/other_user}","gists_url":"https://api.github.com/users/stopsatgreen/gists{/gist_id}","starred_url":"https://api.github.com/users/stopsatgreen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stopsatgreen/subscriptions","organizations_url":"https://api.github.com/users/stopsatgreen/orgs","repos_url":"https://api.github.com/users/stopsatgreen/repos","events_url":"https://api.github.com/users/stopsatgreen/events{/privacy}","received_events_url":"https://api.github.com/users/stopsatgreen/received_events","type":"User","site_admin":false},"created_at":"2015-05-27T15:26:29Z","updated_at":"2015-05-27T15:26:29Z","body":"My files, for reference: https://github.com/stopsatgreen/gulp-cssnext"}}