Fix for building on 10.10.5 and later
Fix for building on 10.10.5 and later

Install individual pyobjc packages instead of pyobjc-core until an underlying bug gets fixed.

ccaviness/macops,sillywilly42/macops,ccaviness/macops,sillywilly42/macops,google/macops,sillywilly42/macops,google/macops,sillywilly42/macops,google/macops,google/macops,ccaviness/macops,ccaviness/macops