Pyenv global for 3.6.0 fails now, was working (v1.0 of circlci)

My circleci.yml had the following:


  • post
    • pyenv global 3.6.0

and would take about 10 seconds max on setting python version.

and had to change to


  • python
    • version: 3.6.0

to get it to work but has added 3 mins (avg) to my builds.

Any ideas? I see that the docs say on 3.4 is available with pyenv, but then why did it work for 185 builds?


We recently updated our build image, and replaced Python 3.6.0 with 3.6.2:

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