{"action":"created","issue":{"url":"https://api.github.com/repos/ioam/holoviews/issues/2581","repository_url":"https://api.github.com/repos/ioam/holoviews","labels_url":"https://api.github.com/repos/ioam/holoviews/issues/2581/labels{/name}","comments_url":"https://api.github.com/repos/ioam/holoviews/issues/2581/comments","events_url":"https://api.github.com/repos/ioam/holoviews/issues/2581/events","html_url":"https://github.com/ioam/holoviews/issues/2581","id":315941439,"number":2581,"title":"Uninformative error when creating Chord diagram","user":{"login":"gmontamat","id":7831654,"avatar_url":"https://avatars2.githubusercontent.com/u/7831654?v=4","gravatar_id":"","url":"https://api.github.com/users/gmontamat","html_url":"https://github.com/gmontamat","followers_url":"https://api.github.com/users/gmontamat/followers","following_url":"https://api.github.com/users/gmontamat/following{/other_user}","gists_url":"https://api.github.com/users/gmontamat/gists{/gist_id}","starred_url":"https://api.github.com/users/gmontamat/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gmontamat/subscriptions","organizations_url":"https://api.github.com/users/gmontamat/orgs","repos_url":"https://api.github.com/users/gmontamat/repos","events_url":"https://api.github.com/users/gmontamat/events{/privacy}","received_events_url":"https://api.github.com/users/gmontamat/received_events","type":"User","site_admin":false},"labels":[{"id":872354168,"url":"https://api.github.com/repos/ioam/holoviews/labels/enhancement","name":"enhancement","color":"6eea80","default":true}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2018-04-19T16:00:49Z","updated_at":"2018-04-19T17:25:39Z","closed_at":null,"author_association":"NONE","body":"I was trying to create a Chord diagram based on https://github.com/ioam/holoviews/blob/master/examples/gallery/demos/bokeh/route_chord.ipynb\r\nI assumed it should work on my dataframes since they were very similar to the ones in the examples. I got the error:\r\n\r\n> ValueError: None of the available storage backends were able to support the supplied data format.\r\n\r\nThe actual issue was that I had loop edges (connecting nodes to themselves) which doesn't happen on the sample airport routes dataset. Removing those loops fixed the issue but a more clear error message would have saved me a couple hours."},"comment":{"url":"https://api.github.com/repos/ioam/holoviews/issues/comments/382816194","html_url":"https://github.com/ioam/holoviews/issues/2581#issuecomment-382816194","issue_url":"https://api.github.com/repos/ioam/holoviews/issues/2581","id":382816194,"user":{"login":"philippjfr","id":1550771,"avatar_url":"https://avatars2.githubusercontent.com/u/1550771?v=4","gravatar_id":"","url":"https://api.github.com/users/philippjfr","html_url":"https://github.com/philippjfr","followers_url":"https://api.github.com/users/philippjfr/followers","following_url":"https://api.github.com/users/philippjfr/following{/other_user}","gists_url":"https://api.github.com/users/philippjfr/gists{/gist_id}","starred_url":"https://api.github.com/users/philippjfr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/philippjfr/subscriptions","organizations_url":"https://api.github.com/users/philippjfr/orgs","repos_url":"https://api.github.com/users/philippjfr/repos","events_url":"https://api.github.com/users/philippjfr/events{/privacy}","received_events_url":"https://api.github.com/users/philippjfr/received_events","type":"User","site_admin":false},"created_at":"2018-04-19T17:25:39Z","updated_at":"2018-04-19T17:25:39Z","author_association":"OWNER","body":"@gmontamat It will be once the PR above is merged."}}
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