{"action":"created","issue":{"url":"https://api.github.com/repos/naiquevin/pipdeptree/issues/82","repository_url":"https://api.github.com/repos/naiquevin/pipdeptree","labels_url":"https://api.github.com/repos/naiquevin/pipdeptree/issues/82/labels{/name}","comments_url":"https://api.github.com/repos/naiquevin/pipdeptree/issues/82/comments","events_url":"https://api.github.com/repos/naiquevin/pipdeptree/issues/82/events","html_url":"https://github.com/naiquevin/pipdeptree/issues/82","id":249855654,"number":82,"title":"graphviz is not available, but necessary for the output option. Please install it.","user":{"login":"natea","id":118984,"avatar_url":"https://avatars1.githubusercontent.com/u/118984?v=4","gravatar_id":"","url":"https://api.github.com/users/natea","html_url":"https://github.com/natea","followers_url":"https://api.github.com/users/natea/followers","following_url":"https://api.github.com/users/natea/following{/other_user}","gists_url":"https://api.github.com/users/natea/gists{/gist_id}","starred_url":"https://api.github.com/users/natea/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/natea/subscriptions","organizations_url":"https://api.github.com/users/natea/orgs","repos_url":"https://api.github.com/users/natea/repos","events_url":"https://api.github.com/users/natea/events{/privacy}","received_events_url":"https://api.github.com/users/natea/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":7,"created_at":"2017-08-13T06:27:47Z","updated_at":"2018-04-18T09:49:14Z","closed_at":null,"author_association":"NONE","body":"When I try to run pipdeptree with output of png, svg or pdf, it tells me that Graphviz is not installed, but it appears to be already installed.\r\n\r\n```\r\nroot@8bf322acc378:/edx/app/edxapp/edx-platform# pipdeptree --graph-output png > pipdeps.png\r\ngraphviz is not available, but necessary for the output option. Please install it.\r\n\r\nroot@8bf322acc378:/edx/app/edxapp/edx-platform# apt-get install graphviz\r\nReading package lists... Done\r\nBuilding dependency tree\r\nReading state information... Done\r\ngraphviz is already the newest version (2.38.0-12ubuntu2.1).\r\n0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.\r\n\r\nroot@8bf322acc378:/edx/app/edxapp/edx-platform# pipdeptree --graph-output png > pipdeps.png\r\ngraphviz is not available, but necessary for the output option. Please install it.\r\n```"},"comment":{"url":"https://api.github.com/repos/naiquevin/pipdeptree/issues/comments/382330840","html_url":"https://github.com/naiquevin/pipdeptree/issues/82#issuecomment-382330840","issue_url":"https://api.github.com/repos/naiquevin/pipdeptree/issues/82","id":382330840,"user":{"login":"beruic","id":724716,"avatar_url":"https://avatars1.githubusercontent.com/u/724716?v=4","gravatar_id":"","url":"https://api.github.com/users/beruic","html_url":"https://github.com/beruic","followers_url":"https://api.github.com/users/beruic/followers","following_url":"https://api.github.com/users/beruic/following{/other_user}","gists_url":"https://api.github.com/users/beruic/gists{/gist_id}","starred_url":"https://api.github.com/users/beruic/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/beruic/subscriptions","organizations_url":"https://api.github.com/users/beruic/orgs","repos_url":"https://api.github.com/users/beruic/repos","events_url":"https://api.github.com/users/beruic/events{/privacy}","received_events_url":"https://api.github.com/users/beruic/received_events","type":"User","site_admin":false},"created_at":"2018-04-18T09:49:14Z","updated_at":"2018-04-18T09:49:14Z","author_association":"NONE","body":"Unfortunately the python interface does not complain about the binaries missing when it is installed. Otherwise it would be enough to complain about the missing interface.\r\n\r\nCan you easily detect whether the binaries are missing without the interface?\r\nOtherwise, perhaps you should just complain about the missing interface first, and then about the binaries when it is detected that they are missing through the interface."}}
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