# chaco 4.6.1 and enable 4.6.2 have a regression which make the solution plot look weird.
# chaco==4.6.1
# enable==4.6.2
https://github.com/enthought/enable/archive/aa33701123bb2f6e4d12b0192285d8732500a0dd.zip
https://github.com/enthought/chaco/archive/d7e9b5aa4a12fd7343e49c0c6de63b9996b8470e.zip

traits==4.6.0 
traitsui==5.1.0 
pyface==5.1.0 
#pyside==1.2.2 
#sip (required but installed through apt / brew)
#qt4 (required but installed through apt / brew)
