Hi All, Running this example: http://scikit-image.org/docs/dev/auto_examples/plot_ncut.html#example-plot-n... On one machine, example works as expected. On my work machine I am getting the following results of normalised cuts example: http://imgur.com/uWmvW2p Details on machines and what I have tried is below. Any help appreciated. Regards, Michael. -- Macbook 1 (work as expected): -------------------------- OS X Yosmite 10.10.4 Python 2.7.9 install via mac ports skimage.__version__ 0.11.3 install via mac ports Macbook 2 (strange behaviour) -------------------------- OS X Yosmite 10.10.5 Python 2.7.10 installed via mac ports skimage.__verison__ 0.11.3 installed via mac ports Things I have tried: 1. Reinstall from source via macports sudo rm -rf /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/skimage* sudo rm -rf /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/scikit_image* sudo port upgrade -s -n --force py27-scikit-image skimage.__version__: 0.11.3, identical result (http://imgur.com/uWmvW2p) 2. Install latest development verison sudo rm -rf /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/skimage* sudo rm -rf /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/scikit_image* git clone https://github.com/scikit-image/scikit-image.git cd skikit-image python setup.py build sudo python setup.py install skimage.__version__: 0.12dev, identical result: http://imgur.com/uWmvW2p