{"action":"closed","issue":{"url":"https://api.github.com/repos/pymc-devs/pymc3/issues/853","labels_url":"https://api.github.com/repos/pymc-devs/pymc3/issues/853/labels{/name}","comments_url":"https://api.github.com/repos/pymc-devs/pymc3/issues/853/comments","events_url":"https://api.github.com/repos/pymc-devs/pymc3/issues/853/events","html_url":"https://github.com/pymc-devs/pymc3/issues/853","id":111299366,"number":853,"title":"ImportError: cannot import name IntEnum","user":{"login":"qingkaikong","id":1621324,"avatar_url":"https://avatars.githubusercontent.com/u/1621324?v=3","gravatar_id":"","url":"https://api.github.com/users/qingkaikong","html_url":"https://github.com/qingkaikong","followers_url":"https://api.github.com/users/qingkaikong/followers","following_url":"https://api.github.com/users/qingkaikong/following{/other_user}","gists_url":"https://api.github.com/users/qingkaikong/gists{/gist_id}","starred_url":"https://api.github.com/users/qingkaikong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/qingkaikong/subscriptions","organizations_url":"https://api.github.com/users/qingkaikong/orgs","repos_url":"https://api.github.com/users/qingkaikong/repos","events_url":"https://api.github.com/users/qingkaikong/events{/privacy}","received_events_url":"https://api.github.com/users/qingkaikong/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-10-14T00:36:51Z","updated_at":"2015-10-14T18:54:39Z","closed_at":"2015-10-14T18:54:39Z","body":"Hi, \r\n\r\nI am trying to use pymc3, but I keep getting the following error, even after I reinstall pymc3. Could you help me please. Thanks. \r\n\r\nPS: I am working on a MacBook Pro with OS version 10.10.5. \r\n\r\n---------------------------------------------------------------------------\r\nImportError                               Traceback (most recent call last)\r\n<ipython-input-7-582c90a634a6> in <module>()\r\n----> 1 from pymc3 import Model, Normal, HalfNormal\r\n\r\n/Users/qingkaikong/blog/07_regression/venv/lib/python2.7/site-packages/pymc3/__init__.py in <module>()\r\n      6 \r\n      7 from .stats import *\r\n----> 8 from .sampling import *\r\n      9 from .interactive_sampling import *\r\n     10 from .step_methods import *\r\n\r\n/Users/qingkaikong/blog/07_regression/venv/lib/python2.7/site-packages/pymc3/sampling.py in <module>()\r\n      5 from time import time\r\n      6 from .core import *\r\n----> 7 from .step_methods import *\r\n      8 from .progressbar import progress_bar\r\n      9 from numpy.random import seed\r\n\r\n/Users/qingkaikong/blog/07_regression/venv/lib/python2.7/site-packages/pymc3/step_methods/__init__.py in <module>()\r\n      1 from .compound import *\r\n----> 2 from .hmc import *\r\n      3 from .metropolis import *\r\n      4 from .gibbs import *\r\n      5 from .slicer import *\r\n\r\n/Users/qingkaikong/blog/07_regression/venv/lib/python2.7/site-packages/pymc3/step_methods/hmc.py in <module>()\r\n      6 from numpy import floor\r\n      7 from .quadpotential import *\r\n----> 8 from .arraystep import *\r\n      9 from ..core import *\r\n     10 from ..tuning import guess_scaling\r\n\r\n/Users/qingkaikong/blog/07_regression/venv/lib/python2.7/site-packages/pymc3/step_methods/arraystep.py in <module>()\r\n      6 from numpy.random import uniform\r\n      7 from numpy import log, isfinite\r\n----> 8 from enum import IntEnum, unique\r\n      9 \r\n     10 __all__ = ['ArrayStep', 'ArrayStepShared', 'metrop_select', 'SamplerHist',\r\n\r\nImportError: cannot import name IntEnum"}}