{"action":"created","issue":{"url":"https://api.github.com/repos/jupyterlab/jupyterlab/issues/4204","repository_url":"https://api.github.com/repos/jupyterlab/jupyterlab","labels_url":"https://api.github.com/repos/jupyterlab/jupyterlab/issues/4204/labels{/name}","comments_url":"https://api.github.com/repos/jupyterlab/jupyterlab/issues/4204/comments","events_url":"https://api.github.com/repos/jupyterlab/jupyterlab/issues/4204/events","html_url":"https://github.com/jupyterlab/jupyterlab/issues/4204","id":306301306,"number":4204,"title":"unable to open the lab after installing extension","user":{"login":"hainm","id":4451957,"avatar_url":"https://avatars2.githubusercontent.com/u/4451957?v=4","gravatar_id":"","url":"https://api.github.com/users/hainm","html_url":"https://github.com/hainm","followers_url":"https://api.github.com/users/hainm/followers","following_url":"https://api.github.com/users/hainm/following{/other_user}","gists_url":"https://api.github.com/users/hainm/gists{/gist_id}","starred_url":"https://api.github.com/users/hainm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hainm/subscriptions","organizations_url":"https://api.github.com/users/hainm/orgs","repos_url":"https://api.github.com/users/hainm/repos","events_url":"https://api.github.com/users/hainm/events{/privacy}","received_events_url":"https://api.github.com/users/hainm/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/jupyterlab/jupyterlab/milestones/5","html_url":"https://github.com/jupyterlab/jupyterlab/milestone/5","labels_url":"https://api.github.com/repos/jupyterlab/jupyterlab/milestones/5/labels","id":1958354,"number":5,"title":"Reference","description":"This milestone is for issues that are closed and have no further action planned, but which are useful reference.","creator":{"login":"jasongrout","id":192614,"avatar_url":"https://avatars0.githubusercontent.com/u/192614?v=4","gravatar_id":"","url":"https://api.github.com/users/jasongrout","html_url":"https://github.com/jasongrout","followers_url":"https://api.github.com/users/jasongrout/followers","following_url":"https://api.github.com/users/jasongrout/following{/other_user}","gists_url":"https://api.github.com/users/jasongrout/gists{/gist_id}","starred_url":"https://api.github.com/users/jasongrout/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jasongrout/subscriptions","organizations_url":"https://api.github.com/users/jasongrout/orgs","repos_url":"https://api.github.com/users/jasongrout/repos","events_url":"https://api.github.com/users/jasongrout/events{/privacy}","received_events_url":"https://api.github.com/users/jasongrout/received_events","type":"User","site_admin":false},"open_issues":52,"closed_issues":132,"state":"open","created_at":"2016-08-23T15:38:23Z","updated_at":"2018-03-23T21:31:04Z","due_on":null,"closed_at":null},"comments":15,"created_at":"2018-03-19T00:29:57Z","updated_at":"2018-03-23T21:31:04Z","closed_at":"2018-03-23T21:31:04Z","author_association":"NONE","body":"Hi,\r\n\r\nI am using jupyterlab v0.31.12. I was trying to install nglview-jupyterlab extension (my build: https://github.com/arose/nglview/blob/master/jslab/package.json). However,\r\nthere is error below that prevents the lab open\r\n\r\n<img width=\"1276\" alt=\"screen shot 2018-03-18 at 8 25 44 pm\" src=\"https://user-images.githubusercontent.com/4451957/37573126-ca3ccc1e-2aea-11e8-9b30-e29e5f9ab898.png\">\r\n\r\n\r\nIf I uninstall the extension `jupyter-labextension uninstall nglview-jupyterlab`, then everything is back to normal (e.g: able to open the lab,  able to use ipywidgets).\r\n\r\nAny idea how to fix that? \r\nthanks.\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/jupyterlab/jupyterlab/issues/comments/375803839","html_url":"https://github.com/jupyterlab/jupyterlab/issues/4204#issuecomment-375803839","issue_url":"https://api.github.com/repos/jupyterlab/jupyterlab/issues/4204","id":375803839,"user":{"login":"hainm","id":4451957,"avatar_url":"https://avatars2.githubusercontent.com/u/4451957?v=4","gravatar_id":"","url":"https://api.github.com/users/hainm","html_url":"https://github.com/hainm","followers_url":"https://api.github.com/users/hainm/followers","following_url":"https://api.github.com/users/hainm/following{/other_user}","gists_url":"https://api.github.com/users/hainm/gists{/gist_id}","starred_url":"https://api.github.com/users/hainm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hainm/subscriptions","organizations_url":"https://api.github.com/users/hainm/orgs","repos_url":"https://api.github.com/users/hainm/repos","events_url":"https://api.github.com/users/hainm/events{/privacy}","received_events_url":"https://api.github.com/users/hainm/received_events","type":"User","site_admin":false},"created_at":"2018-03-23T21:31:03Z","updated_at":"2018-03-23T21:31:03Z","author_association":"NONE","body":"wow, it works if I follow bqplot example. Thanks @jasongrout  very much for always helping me."}}
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