{"action":"created","issue":{"url":"https://api.github.com/repos/titipata/science_concierge/issues/21","repository_url":"https://api.github.com/repos/titipata/science_concierge","labels_url":"https://api.github.com/repos/titipata/science_concierge/issues/21/labels{/name}","comments_url":"https://api.github.com/repos/titipata/science_concierge/issues/21/comments","events_url":"https://api.github.com/repos/titipata/science_concierge/issues/21/events","html_url":"https://github.com/titipata/science_concierge/issues/21","id":162240385,"number":21,"title":"Fix BM25Vectorizer","user":{"login":"titipata","id":8295838,"avatar_url":"https://avatars.githubusercontent.com/u/8295838?v=3","gravatar_id":"","url":"https://api.github.com/users/titipata","html_url":"https://github.com/titipata","followers_url":"https://api.github.com/users/titipata/followers","following_url":"https://api.github.com/users/titipata/following{/other_user}","gists_url":"https://api.github.com/users/titipata/gists{/gist_id}","starred_url":"https://api.github.com/users/titipata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/titipata/subscriptions","organizations_url":"https://api.github.com/users/titipata/orgs","repos_url":"https://api.github.com/users/titipata/repos","events_url":"https://api.github.com/users/titipata/events{/privacy}","received_events_url":"https://api.github.com/users/titipata/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/titipata/science_concierge/labels/bug","name":"bug","color":"fc2929"}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-06-24T22:13:15Z","updated_at":"2016-06-24T22:27:01Z","closed_at":"2016-06-24T22:27:01Z","body":"@daniel-acuna, so I have a problem with `BM25Vectorizer` when I fit documents, I raised error as follows\r\n\r\n```\r\nValueError: empty vocabulary; perhaps the documents only contain stop words\r\n```\r\n\r\nSnippet to produce error\r\n\r\n```python\r\ndocs = ['this is a book',\r\n        'this cat is good',\r\n        'cat is good shit']\r\n\r\nbm = BM25Vectorizer()\r\nbm.fit_transform(docs)\r\n```"},"comment":{"url":"https://api.github.com/repos/titipata/science_concierge/issues/comments/228477805","html_url":"https://github.com/titipata/science_concierge/issues/21#issuecomment-228477805","issue_url":"https://api.github.com/repos/titipata/science_concierge/issues/21","id":228477805,"user":{"login":"daniel-acuna","id":842569,"avatar_url":"https://avatars.githubusercontent.com/u/842569?v=3","gravatar_id":"","url":"https://api.github.com/users/daniel-acuna","html_url":"https://github.com/daniel-acuna","followers_url":"https://api.github.com/users/daniel-acuna/followers","following_url":"https://api.github.com/users/daniel-acuna/following{/other_user}","gists_url":"https://api.github.com/users/daniel-acuna/gists{/gist_id}","starred_url":"https://api.github.com/users/daniel-acuna/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/daniel-acuna/subscriptions","organizations_url":"https://api.github.com/users/daniel-acuna/orgs","repos_url":"https://api.github.com/users/daniel-acuna/repos","events_url":"https://api.github.com/users/daniel-acuna/events{/privacy}","received_events_url":"https://api.github.com/users/daniel-acuna/received_events","type":"User","site_admin":false},"created_at":"2016-06-24T22:27:01Z","updated_at":"2016-06-24T22:27:01Z","body":"Closed by c4ee8a8"}}
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