{"action":"created","issue":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/9393","repository_url":"https://api.github.com/repos/scikit-learn/scikit-learn","labels_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/9393/labels{/name}","comments_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/9393/comments","events_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/9393/events","html_url":"https://github.com/scikit-learn/scikit-learn/issues/9393","id":243487565,"number":9393,"title":"test_preserve_trustworthiness_approximately fails on 32bit: AssertionError: 0.89166666666666661 not greater than 0.9","user":{"login":"yarikoptic","id":39889,"avatar_url":"https://avatars3.githubusercontent.com/u/39889?v=4","gravatar_id":"","url":"https://api.github.com/users/yarikoptic","html_url":"https://github.com/yarikoptic","followers_url":"https://api.github.com/users/yarikoptic/followers","following_url":"https://api.github.com/users/yarikoptic/following{/other_user}","gists_url":"https://api.github.com/users/yarikoptic/gists{/gist_id}","starred_url":"https://api.github.com/users/yarikoptic/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yarikoptic/subscriptions","organizations_url":"https://api.github.com/users/yarikoptic/orgs","repos_url":"https://api.github.com/users/yarikoptic/repos","events_url":"https://api.github.com/users/yarikoptic/events{/privacy}","received_events_url":"https://api.github.com/users/yarikoptic/received_events","type":"User","site_admin":false},"labels":[{"id":273400470,"url":"https://api.github.com/repos/scikit-learn/scikit-learn/labels/Blocker","name":"Blocker","color":"e11d21","default":false},{"id":218978315,"url":"https://api.github.com/repos/scikit-learn/scikit-learn/labels/Need%20Contributor","name":"Need 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0.19b2 on debian/ubuntus ... still ongoing but I see consistent failure on Debian stretch (nd90, current stable) and testing (nd100), 32bit only (ok on amd64 build):\r\n```\r\nneurodebian@smaug ~/deb/builds/scikit-learn/0.19~b2-1 % grep -5 AssertionError: *build\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-Traceback (most recent call last):\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-  File \"/usr/lib/python2.7/dist-packages/nose/case.py\", line 197, in runTest\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-    self.test(*self.arg)\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-  File \"/build/scikit-learn-0.19~b2/debian/tmp/usr/lib/python2.7/dist-packages/sklearn/manifold/tests/test_t_sne.py\", line 247, in test_preserve_trustworthiness_approximately\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-    assert_greater(t, 0.9)\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build:AssertionError: 0.89166666666666661 not greater than 0.9\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-----------------------------------------------------------------------\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-Ran 7969 tests in 285.883s\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-\r\nscikit-learn_0.19~b2-1~nd100+1_i386.build-FAILED (SKIP=73, failures=1)\r\n--\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-Traceback (most recent call last):\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-  File \"/usr/lib/python2.7/dist-packages/nose/case.py\", line 197, in runTest\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-    self.test(*self.arg)\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-  File \"/build/scikit-learn-0.19~b2/debian/tmp/usr/lib/python2.7/dist-packages/sklearn/manifold/tests/test_t_sne.py\", line 247, in test_preserve_trustworthiness_approximately\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-    assert_greater(t, 0.9)\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build:AssertionError: 0.89166666666666661 not greater than 0.9\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-----------------------------------------------------------------------\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-Ran 7969 tests in 288.113s\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-\r\nscikit-learn_0.19~b2-1~nd90+1_i386.build-FAILED (SKIP=73, failures=1)\r\n```\r\nin both cases python-numpy is `1:1.12.1-3` (i.e. 1.12.1 numpy) and passed ok with numpy 1.8.2 in Debian jessie.\r\n"},"comment":{"url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/comments/322214093","html_url":"https://github.com/scikit-learn/scikit-learn/issues/9393#issuecomment-322214093","issue_url":"https://api.github.com/repos/scikit-learn/scikit-learn/issues/9393","id":322214093,"user":{"login":"yarikoptic","id":39889,"avatar_url":"https://avatars3.githubusercontent.com/u/39889?v=4","gravatar_id":"","url":"https://api.github.com/users/yarikoptic","html_url":"https://github.com/yarikoptic","followers_url":"https://api.github.com/users/yarikoptic/followers","following_url":"https://api.github.com/users/yarikoptic/following{/other_user}","gists_url":"https://api.github.com/users/yarikoptic/gists{/gist_id}","starred_url":"https://api.github.com/users/yarikoptic/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yarikoptic/subscriptions","organizations_url":"https://api.github.com/users/yarikoptic/orgs","repos_url":"https://api.github.com/users/yarikoptic/repos","events_url":"https://api.github.com/users/yarikoptic/events{/privacy}","received_events_url":"https://api.github.com/users/yarikoptic/received_events","type":"User","site_admin":false},"created_at":"2017-08-14T14:59:34Z","updated_at":"2017-08-14T14:59:34Z","body":"re original `test_preserve_trustworthiness_approximately`\r\n- specific to older versions of something (yet to figure out since numpy as nscipy are the same) since is not reproducible on current debian sid but reproducible on testing (from few days back) and other older releases.\r\n- specific to init='pca' method='exact'\r\n\r\nbefore I spend more time -- is there specific meaning for the threshold to be 0.9? may be it could just be relaxed a little? ;)"}}
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