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I am using ubuntu 14.04 and trying to install scikit-learn using python 3. An I run into the following error:

In [4]: import sklearn

produces:

ImportError: /usr/local/lib/python3.4/dist-packages/scipy/sparse/linalg/dsolve/_superlu.cpython-34m.so: undefined symbol: dtrsm_

I installed scikit-learn with:

sudo pip3 install scikit-learn

And was told:

Successfully installed scikit-learn

My python, numpy and scipy versions:

In [5]: sys.version
Out[5]: '3.4.3 (default, Oct 14 2015, 20:28:29) \n[GCC 4.8.4]'

In [6]: numpy.__version__
Out[6]: '1.10.2'

In [7]: scipy.__version__
Out[7]: '0.16.1'

I suspect that I am missing something with blas/atlas libraries, but don't really know how to investigate this issue further.

What additional diagnostics can I do to understand the problem better?

What additional information should I provide?

Akavall
  • 647

1 Answers1

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You need to replace numpy 1.10.2 with 1.10.1 . Then also reinstall scipy with

pip install --upgrade --force-reinstall scipy

After that sklearn works fine.

Andre Rohrig
  • 36