{"action":"created","issue":{"url":"https://api.github.com/repos/pytest-dev/pytest/issues/1972","repository_url":"https://api.github.com/repos/pytest-dev/pytest","labels_url":"https://api.github.com/repos/pytest-dev/pytest/issues/1972/labels{/name}","comments_url":"https://api.github.com/repos/pytest-dev/pytest/issues/1972/comments","events_url":"https://api.github.com/repos/pytest-dev/pytest/issues/1972/events","html_url":"https://github.com/pytest-dev/pytest/issues/1972","id":179577082,"number":1972,"title":"set comparison assertion failures less descriptive in v3 than in v2","user":{"login":"cjellick","id":2473240,"avatar_url":"https://avatars.githubusercontent.com/u/2473240?v=3","gravatar_id":"","url":"https://api.github.com/users/cjellick","html_url":"https://github.com/cjellick","followers_url":"https://api.github.com/users/cjellick/followers","following_url":"https://api.github.com/users/cjellick/following{/other_user}","gists_url":"https://api.github.com/users/cjellick/gists{/gist_id}","starred_url":"https://api.github.com/users/cjellick/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cjellick/subscriptions","organizations_url":"https://api.github.com/users/cjellick/orgs","repos_url":"https://api.github.com/users/cjellick/repos","events_url":"https://api.github.com/users/cjellick/events{/privacy}","received_events_url":"https://api.github.com/users/cjellick/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2016-09-27T18:37:39Z","updated_at":"2016-09-27T19:06:46Z","closed_at":null,"body":"When you compared two sets in v 2.X and the assertion failed, you got useful output like this:\r\n```\r\n>       assert set_a == set_b\r\nE       assert set(['c', 'd', 'r', 'u']) == set(['c', 'd', 'r'])\r\nE         Extra items in the left set:\r\nE         'u'\r\nE         Use -v to get the full diff\r\n```\r\n\r\nin 3.X you get this:\r\n```\r\n>       assert set_a == set(set_b)\r\nE       AssertionError\r\n```"},"comment":{"url":"https://api.github.com/repos/pytest-dev/pytest/issues/comments/249965891","html_url":"https://github.com/pytest-dev/pytest/issues/1972#issuecomment-249965891","issue_url":"https://api.github.com/repos/pytest-dev/pytest/issues/1972","id":249965891,"user":{"login":"RonnyPfannschmidt","id":156838,"avatar_url":"https://avatars.githubusercontent.com/u/156838?v=3","gravatar_id":"","url":"https://api.github.com/users/RonnyPfannschmidt","html_url":"https://github.com/RonnyPfannschmidt","followers_url":"https://api.github.com/users/RonnyPfannschmidt/followers","following_url":"https://api.github.com/users/RonnyPfannschmidt/following{/other_user}","gists_url":"https://api.github.com/users/RonnyPfannschmidt/gists{/gist_id}","starred_url":"https://api.github.com/users/RonnyPfannschmidt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/RonnyPfannschmidt/subscriptions","organizations_url":"https://api.github.com/users/RonnyPfannschmidt/orgs","repos_url":"https://api.github.com/users/RonnyPfannschmidt/repos","events_url":"https://api.github.com/users/RonnyPfannschmidt/events{/privacy}","received_events_url":"https://api.github.com/users/RonnyPfannschmidt/received_events","type":"User","site_admin":false},"created_at":"2016-09-27T19:06:46Z","updated_at":"2016-09-27T19:06:46Z","body":"3.x removed half broken unmaintained fallback code"}}
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