Add cython as a temp requirement for devel
Add cython as a temp requirement for devel

drandykass/fatiando,eusoubrasileiro/fatiando,mtb-za/fatiando,eusoubrasileiro/fatiando_seismic,fatiando/fatiando,fatiando/fatiando,rafaelmds/fatiando,mtb-za/fatiando,cmeessen/fatiando,eusoubrasileiro/fatiando_seismic,cmeessen/fatiando,santis19/fatiando,rafaelmds/fatiando,victortxa/fatiando,eusoubrasileiro/fatiando,victortxa/fatiando,drandykass/fatiando,eusoubrasileiro/fatiando,santis19/fatiando