[Neurodebian-users] issue with python-sklearn: ImportError: cannot import name parallel

[Yaroslav Halchenko]

On October 23, 2016 6:34:49 PM GMT+02:00, Emanuele Olivetti <emanuele at relativita.com> wrote:
>Hi NeuroDebian Masters!
>
>I am playing with scikit-learn for Ubuntu 14.04, from the NeuroDebian
>repository:
>----
> > apt-cache show python-sklearn
>Package: python-sklearn
>Source: scikit-learn
>Version: 0.17.1-1~nd14.04+1
>Architecture: all
>Maintainer: NeuroDebian Maintainers <team at neuro.debian.net>
>[...]
>----
>
>Unfortunately I experience the following issue: sklearn cannot find
>joblib
>even though it is installed:
>----
> > python
>Python 2.7.6 (default, Jun 22 2015, 17:58:13)
>[GCC 4.8.2] on linux2
>Type "help", "copyright", "credits" or "license" for more information.
> >>> import sklearn
> >>> sklearn.__file__
>'/usr/lib/python2.7/dist-packages/sklearn/__init__.pyc'
> >>> sklearn.__version__
>'0.17.1'
> >>> import sklearn.neighbors
>Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>File "/usr/lib/python2.7/dist-packages/sklearn/neighbors/__init__.py",
>line 
>9, in <module>
>     from .graph import kneighbors_graph, radius_neighbors_graph
>File "/usr/lib/python2.7/dist-packages/sklearn/neighbors/graph.py",
>line 9, 
>in <module>
>     from .base import KNeighborsMixin, RadiusNeighborsMixin
>File "/usr/lib/python2.7/dist-packages/sklearn/neighbors/base.py", line
>18, 
>in <module>
>     from ..metrics import pairwise_distances
>File "/usr/lib/python2.7/dist-packages/sklearn/metrics/__init__.py",
>line 33, 
>in <module>
>     from . import cluster
>File
>"/usr/lib/python2.7/dist-packages/sklearn/metrics/cluster/__init__.py",
>
>line 19, in <module>
>     from .unsupervised import silhouette_samples
>   File 
>"/usr/lib/python2.7/dist-packages/sklearn/metrics/cluster/unsupervised.py",
>line 
>10, in <module>
>     from ..pairwise import pairwise_distances
>File "/usr/lib/python2.7/dist-packages/sklearn/metrics/pairwise.py",
>line 27, 
>in <module>
>     from ..externals.joblib import parallel
>ImportError: cannot import name parallel
> >>> import joblib
> >>> joblib.__version__
>'0.10.2'
>----
>
>May this be a packaging problem?
>
>Best,
>
>Emanuele
>
>
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I thought I have fixed for it... Indeed packaging problem since I package joblib separately

Will look later into it... If you don't hear in a few days, please buzz

Hi from Paris where good part of NeuroDebian converges upon today ;-)
-- 
Sent from a phone which beats iPhone.