You are absolutely right, thanks! I had already installed Cython locally but didn't add it properly to the PATH. However after I fixed it I got another error:
[...]
building extension "skimage.segmentation._felzenszwalb_cy" sources
building extension "skimage.segmentation._quickshift" sources building extension "skimage.segmentation._slic" sources building data_files sources build_src: building npy-pkg config files customize UnixCCompiler customize UnixCCompiler using build_ext building 'skimage._shared.geometry' extension compiling C sources C compiler: x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC creating build creating build/temp.linux-x86_64-2.7 compile options: '-I/usr/lib/python2.7/dist-packages/numpy/core/include -I/usr/include/python2.7 -c' x86_64-linux-gnu-gcc: geometry.c x86_64-linux-gnu-gcc: error: geometry.c: No such file or directory x86_64-linux-gnu-gcc: fatal error: no input files compilation terminated. x86_64-linux-gnu-gcc: error: geometry.c: No such file or directory x86_64-linux-gnu-gcc: fatal error: no input files compilation terminated. error: Command "x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/lib/python2.7/dist-packages/numpy/core/include -I/usr/include/python2.7 -c geometry.c -o build/temp.linux-x86_64-2.7/geometry.o" failed with exit status 4
Any idea? Thanks, Jean 2013/10/14 Stéfan van der Walt <stefan@sun.ac.za>
On Mon, Oct 14, 2013 at 3:38 PM, Jean K <jean.kossaifi@gmail.com> wrote:
ipdb> print popenargs (['cython', '-o', '/homes/jk712/scikit-image/skimage/feature/_template.c', '/homes/jk712/scikit-image/skimage/feature/_template.pyx'],)
It looks like cython wasn't installed correctly. Could you try the "cython" command from the terminal?
Stéfan
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Jean K