{"action":"closed","issue":{"url":"https://api.github.com/repos/numpy/numpy/issues/6667","labels_url":"https://api.github.com/repos/numpy/numpy/issues/6667/labels{/name}","comments_url":"https://api.github.com/repos/numpy/numpy/issues/6667/comments","events_url":"https://api.github.com/repos/numpy/numpy/issues/6667/events","html_url":"https://github.com/numpy/numpy/issues/6667","id":116413646,"number":6667,"title":"ma.make_mask handles ma.nomask input incorrectly.","user":{"login":"charris","id":77272,"avatar_url":"https://avatars.githubusercontent.com/u/77272?v=3","gravatar_id":"","url":"https://api.github.com/users/charris","html_url":"https://github.com/charris","followers_url":"https://api.github.com/users/charris/followers","following_url":"https://api.github.com/users/charris/following{/other_user}","gists_url":"https://api.github.com/users/charris/gists{/gist_id}","starred_url":"https://api.github.com/users/charris/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/charris/subscriptions","organizations_url":"https://api.github.com/users/charris/orgs","repos_url":"https://api.github.com/users/charris/repos","events_url":"https://api.github.com/users/charris/events{/privacy}","received_events_url":"https://api.github.com/users/charris/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/numpy/numpy/labels/component:%20numpy.ma","name":"component: numpy.ma","color":"ff0000"},{"url":"https://api.github.com/repos/numpy/numpy/labels/Regression","name":"Regression","color":"7F0000"}],"state":"closed","locked":false,"assignee":null,"milestone":{"url":"https://api.github.com/repos/numpy/numpy/milestones/39","html_url":"https://github.com/numpy/numpy/milestones/1.10.2%20release","labels_url":"https://api.github.com/repos/numpy/numpy/milestones/39/labels","id":1353924,"number":39,"title":"1.10.2 release","description":"","creator":{"login":"charris","id":77272,"avatar_url":"https://avatars.githubusercontent.com/u/77272?v=3","gravatar_id":"","url":"https://api.github.com/users/charris","html_url":"https://github.com/charris","followers_url":"https://api.github.com/users/charris/followers","following_url":"https://api.github.com/users/charris/following{/other_user}","gists_url":"https://api.github.com/users/charris/gists{/gist_id}","starred_url":"https://api.github.com/users/charris/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/charris/subscriptions","organizations_url":"https://api.github.com/users/charris/orgs","repos_url":"https://api.github.com/users/charris/repos","events_url":"https://api.github.com/users/charris/events{/privacy}","received_events_url":"https://api.github.com/users/charris/received_events","type":"User","site_admin":false},"open_issues":0,"closed_issues":54,"state":"open","created_at":"2015-10-13T19:48:01Z","updated_at":"2015-11-12T16:52:40Z","due_on":null,"closed_at":null},"comments":2,"created_at":"2015-11-11T20:20:43Z","updated_at":"2015-11-12T16:52:40Z","closed_at":"2015-11-12T16:52:40Z","body":"This was a nasty little bug to chase down. I suspect `ma.mask_or` is not alone in this.\r\n```\r\nIn [20]: np.__version__\r\nOut[20]: '1.11.0.dev0+1d51142'\r\n\r\nIn [21]: m = ma.mask_or(ma.nomask, ma.nomask, shrink=False)\r\n\r\nIn [22]: m\r\nOut[22]: array(False, dtype=bool)\r\n```\r\nWhereas\r\n```\r\nIn [1]: np.__version__\r\nOut[1]: '1.9.2'\r\n\r\nIn [2]: m = ma.mask_or(ma.nomask, ma.nomask, shrink=False)\r\n\r\nIn [3]: m\r\nOut[3]: False\r\n\r\nIn [4]: m is ma.nomask\r\nOut[4]: True\r\n```"}}