{"action":"closed","issue":{"url":"https://api.github.com/repos/inducer/loopy/issues/66","repository_url":"https://api.github.com/repos/inducer/loopy","labels_url":"https://api.github.com/repos/inducer/loopy/issues/66/labels{/name}","comments_url":"https://api.github.com/repos/inducer/loopy/issues/66/comments","events_url":"https://api.github.com/repos/inducer/loopy/issues/66/events","html_url":"https://github.com/inducer/loopy/issues/66","id":191723491,"number":66,"title":"Match expressions are not hashable in python3","user":{"login":"dokempf","id":4989908,"avatar_url":"https://avatars.githubusercontent.com/u/4989908?v=3","gravatar_id":"","url":"https://api.github.com/users/dokempf","html_url":"https://github.com/dokempf","followers_url":"https://api.github.com/users/dokempf/followers","following_url":"https://api.github.com/users/dokempf/following{/other_user}","gists_url":"https://api.github.com/users/dokempf/gists{/gist_id}","starred_url":"https://api.github.com/users/dokempf/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dokempf/subscriptions","organizations_url":"https://api.github.com/users/dokempf/orgs","repos_url":"https://api.github.com/users/dokempf/repos","events_url":"https://api.github.com/users/dokempf/events{/privacy}","received_events_url":"https://api.github.com/users/dokempf/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-11-25T15:23:16Z","updated_at":"2016-12-05T17:26:59Z","closed_at":"2016-12-05T17:26:59Z","body":"With the feature to specify dependencies through match expressions, all match expressions need to be hashable (they are kept in a `frozenset`). However, in python3 the existence of `__eq__` makes them unhashable. I fixed this locally, by implementing `__hash__`, but I am unsure whether that is the correct upstream solution as I do not know what the `update_persistent_hash` functions are about."}}
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