I\'m trying to build scipy and I get a RuntimeError:
$sudo python setup.py build Processing scipy/cluster/_vq_rewrite.pyx Traceback (most recent call last):
If you do not have Cython installed then use: pip install Cython. However, if you do have an old version of Cython installed like me then this is what solved it for me: pip install --upgrade Cython
pip install Cython
pip install --upgrade Cython