{"action":"created","issue":{"url":"https://api.github.com/repos/angr/angr/issues/1106","repository_url":"https://api.github.com/repos/angr/angr","labels_url":"https://api.github.com/repos/angr/angr/issues/1106/labels{/name}","comments_url":"https://api.github.com/repos/angr/angr/issues/1106/comments","events_url":"https://api.github.com/repos/angr/angr/issues/1106/events","html_url":"https://github.com/angr/angr/issues/1106","id":337728407,"node_id":"MDU6SXNzdWUzMzc3Mjg0MDc=","number":1106,"title":"How to install a low version angr?","user":{"login":"DreamingD","id":17956591,"node_id":"MDQ6VXNlcjE3OTU2NTkx","avatar_url":"https://avatars1.githubusercontent.com/u/17956591?v=4","gravatar_id":"","url":"https://api.github.com/users/DreamingD","html_url":"https://github.com/DreamingD","followers_url":"https://api.github.com/users/DreamingD/followers","following_url":"https://api.github.com/users/DreamingD/following{/other_user}","gists_url":"https://api.github.com/users/DreamingD/gists{/gist_id}","starred_url":"https://api.github.com/users/DreamingD/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DreamingD/subscriptions","organizations_url":"https://api.github.com/users/DreamingD/orgs","repos_url":"https://api.github.com/users/DreamingD/repos","events_url":"https://api.github.com/users/DreamingD/events{/privacy}","received_events_url":"https://api.github.com/users/DreamingD/received_events","type":"User","site_admin":false},"labels":[{"id":245054967,"node_id":"MDU6TGFiZWwyNDUwNTQ5Njc=","url":"https://api.github.com/repos/angr/angr/labels/question","name":"question","color":"cc317c","default":true}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2018-07-03T02:58:25Z","updated_at":"2018-07-03T03:03:42Z","closed_at":"2018-07-03T03:00:08Z","author_association":"NONE","body":"I want to use a low version angr,how to install it?"},"comment":{"url":"https://api.github.com/repos/angr/angr/issues/comments/401999043","html_url":"https://github.com/angr/angr/issues/1106#issuecomment-401999043","issue_url":"https://api.github.com/repos/angr/angr/issues/1106","id":401999043,"node_id":"MDEyOklzc3VlQ29tbWVudDQwMTk5OTA0Mw==","user":{"login":"rhelmot","id":2498805,"node_id":"MDQ6VXNlcjI0OTg4MDU=","avatar_url":"https://avatars1.githubusercontent.com/u/2498805?v=4","gravatar_id":"","url":"https://api.github.com/users/rhelmot","html_url":"https://github.com/rhelmot","followers_url":"https://api.github.com/users/rhelmot/followers","following_url":"https://api.github.com/users/rhelmot/following{/other_user}","gists_url":"https://api.github.com/users/rhelmot/gists{/gist_id}","starred_url":"https://api.github.com/users/rhelmot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rhelmot/subscriptions","organizations_url":"https://api.github.com/users/rhelmot/orgs","repos_url":"https://api.github.com/users/rhelmot/repos","events_url":"https://api.github.com/users/rhelmot/events{/privacy}","received_events_url":"https://api.github.com/users/rhelmot/received_events","type":"User","site_admin":false},"created_at":"2018-07-03T03:03:42Z","updated_at":"2018-07-03T03:03:42Z","author_association":"MEMBER","body":"I don't think it's going to be as easy as `pip install angr==old_version`, since we mark all our self-dependencies as `package>=current_version`. I just tried `pip install angr==7.7.9.8` and it tried pulling in `pyvex==7.8.7.1`, which it obviously can't build against.\r\n\r\nYou'll need to install all the dependency packages in the angr suite pinned to the version you want, otherwise pip will grab incompatible versions.\r\n\r\n@ltfish I think this is something we should fix."}}
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