[scikit-learn] Fwd: ValueError

[Andrea Bravi]

Hi guys,


I recommend using https://virtualenv.pypa.io
<https://virtualenv.pypa.io/en/stable/> to solve those issues!


Best regards,

Andrea

On Wednesday, 1 June 2016, Matthew Brett <matthew.brett at gmail.com> wrote:

> On Wed, Jun 1, 2016 at 11:17 AM, Sebastian Raschka
> <mail at sebastianraschka.com <javascript:;>> wrote:
> >> I think you're using system Python on the Mac.   I'd really strongly
> >> recommend against that, because system Python
> >
> > Yeah, but I think that the system Python doesn’t come with NumPy and
> SciPy installed on a Mac?
>
> That's the entire problem - system Python has its own private copy of
> numpy and scipy and matplotlib that are not in the usual sys.path
> places:
>
> $ /usr/bin/python -c 'import numpy; print(numpy.__file__)'
>
> /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/numpy/__init__.pyc
>
> Then, if you try to upgrade them with pip, the new packages are below
> the private copies in directory precedence, and the effect is that the
> upgrade is ignored.
>
> In effect, system Python is for the system, if you want to own your
> Python, you need to install another copy for yourself.
>
> Cheers,
>
> Matthew
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