{"action":"opened","issue":{"url":"https://api.github.com/repos/ContinuumIO/anaconda-issues/issues/926","repository_url":"https://api.github.com/repos/ContinuumIO/anaconda-issues","labels_url":"https://api.github.com/repos/ContinuumIO/anaconda-issues/issues/926/labels{/name}","comments_url":"https://api.github.com/repos/ContinuumIO/anaconda-issues/issues/926/comments","events_url":"https://api.github.com/repos/ContinuumIO/anaconda-issues/issues/926/events","html_url":"https://github.com/ContinuumIO/anaconda-issues/issues/926","id":166795421,"number":926,"title":"pip fails to install numba 0.27.0 in conda env on Windows ","user":{"login":"zrisher","id":1958130,"avatar_url":"https://avatars.githubusercontent.com/u/1958130?v=3","gravatar_id":"","url":"https://api.github.com/users/zrisher","html_url":"https://github.com/zrisher","followers_url":"https://api.github.com/users/zrisher/followers","following_url":"https://api.github.com/users/zrisher/following{/other_user}","gists_url":"https://api.github.com/users/zrisher/gists{/gist_id}","starred_url":"https://api.github.com/users/zrisher/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zrisher/subscriptions","organizations_url":"https://api.github.com/users/zrisher/orgs","repos_url":"https://api.github.com/users/zrisher/repos","events_url":"https://api.github.com/users/zrisher/events{/privacy}","received_events_url":"https://api.github.com/users/zrisher/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-07-21T11:18:51Z","updated_at":"2016-07-21T11:18:51Z","closed_at":null,"body":"With this  conda:\r\n\r\n```\r\n$ conda info\r\nplatform : win-64\r\nconda version : 4.1.9\r\nconda-env version : 2.5.2\r\nconda-build version : not installed\r\n       python version : 3.4.5.final.0\r\n       requests version : 2.9.1\r\n       root environment : C:\\Dev\\Miniconda3  (writable)\r\n       default environment : C:\\Dev\\Miniconda3\\envs\\taxcalc-dev\r\n       envs directories : C:\\Dev\\Miniconda3\\envs\r\n       package cache : C:\\Dev\\Miniconda3\\pkgs\r\n       channel URLs : https://repo.continuum.io/pkgs/free/win-64/\r\n                        https://repo.continuum.io/pkgs/free/noarch/\r\n                        https://repo.continuum.io/pkgs/pro/win-64/\r\n                        https://repo.continuum.io/pkgs/pro/noarch/\r\n                        https://repo.continuum.io/pkgs/msys2/win-64/\r\n                        https://repo.continuum.io/pkgs/msys2/noarch/\r\n         config file : None\r\n         offline mode : False\r\n         is foreign system : False\r\n```\r\n\r\nin an env with pip 8.1.2:\r\n\r\n```\r\n$ conda list pip\r\n# packages in environment at C:\\Dev\\Miniconda3\\envs\\taxcalc-dev:\r\n#\r\napipkg                    1.4                       <pip>\r\npip                       8.1.2                    py35_0  \r\n```\r\n\r\na pip `requirments.txt` that specifies `numba`:\r\n```\r\npandas\r\nnumpy >= 1.7\r\nnumba\r\nsix\r\ntoolz\r\n```\r\n\r\nand a working copy of numba `0.26.0`:\r\n\r\n```\r\n$ pip show numba\r\n---\r\nMetadata-Version: 1.1\r\nName: numba\r\nVersion: 0.26.0\r\nSummary: compiling Python code using LLVM\r\nHome-page: http://numba.github.com\r\nAuthor: Continuum Analytics, Inc.\r\nAuthor-email: numba-users@continuum.io\r\nLicense: BSD\r\nLocation: c:\\dev\\miniconda3\\envs\\taxcalc-dev\\lib\\site-packages\r\nRequires: llvmlite, numpy\r\n```\r\n\r\nIf I try to upgrade my dependencies with pip:\r\n\r\n`$ pip install --upgrade -r requirements.txt`\r\n\r\nI get an error building the wheel for `llvmlite`, and thus `numba`:\r\n\r\n```\r\n  No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils\r\n  building 'numba._dynfunc' extension\r\n  error: Unable to find vcvarsall.bat\r\n```\r\n\r\nFull output: http://pastebin.com/3AwdNTpQ\r\n\r\nSearching Stack Overflow, this appears to be due to a missing path to the referenced Visual Studio compiler, which seems like something Conda would manage."}}
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