{"action":"created","issue":{"url":"https://api.github.com/repos/conda/conda/issues/1794","labels_url":"https://api.github.com/repos/conda/conda/issues/1794/labels{/name}","comments_url":"https://api.github.com/repos/conda/conda/issues/1794/comments","events_url":"https://api.github.com/repos/conda/conda/issues/1794/events","html_url":"https://github.com/conda/conda/issues/1794","id":115781294,"number":1794,"title":"Attempting to upgrade from python 3.4 to python 3.5","user":{"login":"pblelloch","id":4306474,"avatar_url":"https://avatars.githubusercontent.com/u/4306474?v=3","gravatar_id":"","url":"https://api.github.com/users/pblelloch","html_url":"https://github.com/pblelloch","followers_url":"https://api.github.com/users/pblelloch/followers","following_url":"https://api.github.com/users/pblelloch/following{/other_user}","gists_url":"https://api.github.com/users/pblelloch/gists{/gist_id}","starred_url":"https://api.github.com/users/pblelloch/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pblelloch/subscriptions","organizations_url":"https://api.github.com/users/pblelloch/orgs","repos_url":"https://api.github.com/users/pblelloch/repos","events_url":"https://api.github.com/users/pblelloch/events{/privacy}","received_events_url":"https://api.github.com/users/pblelloch/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":8,"created_at":"2015-11-09T02:42:41Z","updated_at":"2015-11-10T17:54:46Z","closed_at":null,"body":"Based on a web post I attempted to upgrade from python 3.4 to 3.5 as follows:\r\n\r\nconda install python=3.5\r\nconda install anaconda\r\n\r\nThis resulted in the following dump:\r\n\r\nC:\\Users\\test>conda install anaconda\r\nFetching package metadata: ....\r\nSolving package specifications: ..................................................................................................................................................................................................An unexpected error has occurred, please consider sending the\r\nfollowing traceback to the conda GitHub issue tracker at:\r\n\r\n    https://github.com/conda/conda/issues\r\n\r\nInclude the output of the command 'conda info' in your report.\r\n\r\n\r\nTraceback (most recent call last):\r\n  File \"C:\\Users\\test\\Anaconda\\Scripts\\conda-script.py\", line 4, in <module>\r\n    sys.exit(main())\r\n  File \"C:\\Users\\test\\Anaconda\\lib\\site-packages\\conda\\cli\\main.py\", line 195, in main\r\n    args_func(args, p)\r\n  File \"C:\\Users\\test\\Anaconda\\lib\\site-packages\\conda\\cli\\main.py\", line 202, in args_func\r\n    args.func(args, p)\r\n  File \"C:\\Users\\test\\Anaconda\\lib\\site-packages\\conda\\cli\\main_install.py\", line 45, in execute\r\n    install.install(args, parser, 'install')\r\n  File \"C:\\Users\\test\\Anaconda\\lib\\site-packages\\conda\\cli\\install.py\", line 333, in install\r\n    update_deps=args.update_deps)\r\n  File \"C:\\Users\\test\\Anaconda\\lib\\site-packages\\conda\\plan.py\", line 411, in install_actions\r\n    update_deps=update_deps):\r\n  File \"C:\\Users\\test\\Anaconda\\lib\\site-packages\\conda\\resolve.py\", line 1057, in solve\r\n    installed, minimal_hint=minimal_hint, update_deps=update_deps)\r\n  File \"C:\\Users\\test\\Anaconda\\lib\\site-packages\\conda\\resolve.py\", line 819, in solve2\r\n    clauses = set(self.gen_clauses(v, dists, specs, features))\r\n  File \"C:\\Users\\test\\Anaconda\\lib\\site-packages\\conda\\resolve.py\", line 624, in gen_clauses\r\n    assert len(clause) > 1, '%s %r' % (fn1, ms)\r\nAssertionError: ipython-qtconsole-4.0.1-py35_4.tar.bz2 MatchSpec('menuinst 1.2.0')\r\n"},"comment":{"url":"https://api.github.com/repos/conda/conda/issues/comments/155513355","html_url":"https://github.com/conda/conda/issues/1794#issuecomment-155513355","issue_url":"https://api.github.com/repos/conda/conda/issues/1794","id":155513355,"user":{"login":"msarahan","id":38393,"avatar_url":"https://avatars.githubusercontent.com/u/38393?v=3","gravatar_id":"","url":"https://api.github.com/users/msarahan","html_url":"https://github.com/msarahan","followers_url":"https://api.github.com/users/msarahan/followers","following_url":"https://api.github.com/users/msarahan/following{/other_user}","gists_url":"https://api.github.com/users/msarahan/gists{/gist_id}","starred_url":"https://api.github.com/users/msarahan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/msarahan/subscriptions","organizations_url":"https://api.github.com/users/msarahan/orgs","repos_url":"https://api.github.com/users/msarahan/repos","events_url":"https://api.github.com/users/msarahan/events{/privacy}","received_events_url":"https://api.github.com/users/msarahan/received_events","type":"User","site_admin":false},"created_at":"2015-11-10T17:54:46Z","updated_at":"2015-11-10T17:54:46Z","body":"@PerryGrossman that appears to be a different issue.  My first guess would be that a .bz2 file did not get downloaded properly.  Run conda clean --tarballs --packages and try again.  If the problem recurs, please file a different issue."}}