libpng version incompatibility in fresh installation of IPython

Question

I used this guide to install the \"scientific stack\" for Python (OSX 10.9.2, brewed Python 2.7.6, IPython 2.0, matplotlib 1.3.1, libpng 1.6.10). Everything was looking good

Answer 1

Look for old header files beginning with "png" (png.h, pngconf.h, perhaps others) and remove them.