no references to python3 + probably best to install python packages via pip about mac-setup HOT 3 CLOSED

@myyc I think that'll be a great. I'm actually thinking of working on a docker guide and then creating a set of useful environments there.

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@sb2nov @myyc This could solved using pyenv (similar to rbenv) https://github.com/yyuu/pyenv
You could install anaconda3 and anaconda2 in the same directory. Use anaconda3 as your primary python version and anaconda2 as a fail-safe. This way you don't need to install so many packages with brew or pip. I mention anaconda since you're doing data analysis, but you could also do python3 and python2 instead.

I can submit a PR that mentions pyenv as an alternative way to install Python. Personally, it's been a lifesaver for me!

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@rowmatrix that would be great, it'll be awesome to see a PR about this :)

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