Make updatebrew.py work on El Capitan
Make updatebrew.py work on El Capitan

Test Plan: Release a version of Buck to Homebrew.

Reviewed By: Coneko

fbshipit-source-id: 5eb4097

robbertvanginkel/buck,daedric/buck,romanoid/buck,daedric/buck,OkBuilds/buck,rmaz/buck,darkforestzero/buck,daedric/buck,rmaz/buck,brettwooldridge/buck,Addepar/buck,rmaz/buck,ilya-klyuchnikov/buck,k21/buck,vschs007/buck,raviagarwal7/buck,davido/buck,OkBuilds/buck,justinmuller/buck,SeleniumHQ/buck,dsyang/buck,brettwooldridge/buck,sdwilsh/buck,OkBuilds/buck,shs96c/buck,LegNeato/buck,clonetwin26/buck,illicitonion/buck,JoelMarcey/buck,daedric/buck,darkforestzero/buck,LegNeato/buck,shybovycha/buck,dsyang/buck,marcinkwiatkowski/buck,k21/buck,robbertvanginkel/buck,darkforestzero/buck,dsyang/buck,vschs007/buck,kageiit/buck,vschs007/buck,davido/buck,LegNeato/buck,shs96c/buck,ilya-klyuchnikov/buck,raviagarwal7/buck,nguyentruongtho/buck,Addepar/buck,vschs007/buck,OkBuilds/buck,illicitonion/buck,marcinkwiatkowski/buck,sdwilsh/buck,JoelMarcey/buck,brettwooldridge/buck,dsyang/buck,JoelMarcey/buck,darkforestzero/buck,shs96c/buck,SeleniumHQ/buck,facebook/buck,darkforestzero/buck,brettwooldridge/buck,Addepar/buck,facebook/buck,SeleniumHQ/buck,vschs007/buck,SeleniumHQ/buck,shybovycha/buck,dsyang/buck,davido/buck,kageiit/buck,marcinkwiatkowski/buck,JoelMarcey/buck,vschs007/buck,dsyang/buck,zpao/buck,davido/buck,marcinkwiatkowski/buck,zpao/buck,davido/buck,SeleniumHQ/buck,robbertvanginkel/buck,rmaz/buck,Addepar/buck,dsyang/buck,shs96c/buck,LegNeato/buck,justinmuller/buck,illicitonion/buck,clonetwin26/buck,raviagarwal7/buck,SeleniumHQ/buck,daedric/buck,OkBuilds/buck,raviagarwal7/buck,daedric/buck,OkBuilds/buck,Addepar/buck,shybovycha/buck,illicitonion/buck,illicitonion/buck,kageiit/buck,davido/buck,shybovycha/buck,grumpyjames/buck,justinmuller/buck,zhan-xiong/buck,clonetwin26/buck,clonetwin26/buck,grumpyjames/buck,marcinkwiatkowski/buck,shybovycha/buck,brettwooldridge/buck,clonetwin26/buck,zhan-xiong/buck,darkforestzero/buck,daedric/buck,shs96c/buck,rmaz/buck,zhan-xiong/buck,facebook/buck,SeleniumHQ/buck,k21/buck,dsyang/buck,shybovycha/buck,rmaz/buck,ilya-klyuchnikov/buck,dsyang/buck,illicitonion/buck,zpao/buck,dsyang/buck,clonetwin26/buck,rmaz/buck,kageiit/buck,zpao/buck,rmaz/buck,k21/buck,Addepar/buck,grumpyjames/buck,shs96c/buck,daedric/buck,illicitonion/buck,justinmuller/buck,JoelMarcey/buck,SeleniumHQ/buck,robbertvanginkel/buck,zhan-xiong/buck,vschs007/buck,zhan-xiong/buck,Addepar/buck,nguyentruongtho/buck,shybovycha/buck,LegNeato/buck,kageiit/buck,zhan-xiong/buck,shs96c/buck,zhan-xiong/buck,romanoid/buck,daedric/buck,davido/buck,sdwilsh/buck,vschs007/buck,ilya-klyuchnikov/buck,ilya-klyuchnikov/buck,illicitonion/buck,JoelMarcey/buck,grumpyjames/buck,sdwilsh/buck,shybovycha/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,robbertvanginkel/buck,clonetwin26/buck,brettwooldridge/buck,daedric/buck,illicitonion/buck,nguyentruongtho/buck,SeleniumHQ/buck,justinmuller/buck,clonetwin26/buck,dsyang/buck,Addepar/buck,darkforestzero/buck,LegNeato/buck,LegNeato/buck,k21/buck,OkBuilds/buck,shs96c/buck,shybovycha/buck,zhan-xiong/buck,grumpyjames/buck,davido/buck,romanoid/buck,shybovycha/buck,OkBuilds/buck,raviagarwal7/buck,sdwilsh/buck,SeleniumHQ/buck,ilya-klyuchnikov/buck,daedric/buck,daedric/buck,vschs007/buck,vschs007/buck,k21/buck,darkforestzero/buck,k21/buck,darkforestzero/buck,OkBuilds/buck,shs96c/buck,nguyentruongtho/buck,justinmuller/buck,k21/buck,davido/buck,brettwooldridge/buck,JoelMarcey/buck,justinmuller/buck,k21/buck,raviagarwal7/buck,darkforestzero/buck,darkforestzero/buck,marcinkwiatkowski/buck,vschs007/buck,nguyentruongtho/buck,facebook/buck,facebook/buck,marcinkwiatkowski/buck,robbertvanginkel/buck,dsyang/buck,grumpyjames/buck,romanoid/buck,clonetwin26/buck,raviagarwal7/buck,nguyentruongtho/buck,k21/buck,justinmuller/buck,ilya-klyuchnikov/buck,shs96c/buck,justinmuller/buck,OkBuilds/buck,shs96c/buck,davido/buck,sdwilsh/buck,dsyang/buck,raviagarwal7/buck,Addepar/buck,romanoid/buck,k21/buck,shs96c/buck,romanoid/buck,nguyentruongtho/buck,ilya-klyuchnikov/buck,romanoid/buck,rmaz/buck,illicitonion/buck,rmaz/buck,Addepar/buck,shybovycha/buck,LegNeato/buck,justinmuller/buck,zhan-xiong/buck,robbertvanginkel/buck,raviagarwal7/buck,marcinkwiatkowski/buck,SeleniumHQ/buck,ilya-klyuchnikov/buck,rmaz/buck,clonetwin26/buck,darkforestzero/buck,LegNeato/buck,raviagarwal7/buck,sdwilsh/buck,SeleniumHQ/buck,grumpyjames/buck,grumpyjames/buck,romanoid/buck,Addepar/buck,zpao/buck,brettwooldridge/buck,shybovycha/buck,zhan-xiong/buck,shs96c/buck,grumpyjames/buck,raviagarwal7/buck,justinmuller/buck,JoelMarcey/buck,robbertvanginkel/buck,marcinkwiatkowski/buck,zpao/buck,robbertvanginkel/buck,brettwooldridge/buck,davido/buck,zhan-xiong/buck,ilya-klyuchnikov/buck,brettwooldridge/buck,OkBuilds/buck,illicitonion/buck,romanoid/buck,OkBuilds/buck,vschs007/buck,sdwilsh/buck,marcinkwiatkowski/buck,sdwilsh/buck,zhan-xiong/buck,clonetwin26/buck,marcinkwiatkowski/buck,marcinkwiatkowski/buck,brettwooldridge/buck,ilya-klyuchnikov/buck,clonetwin26/buck,illicitonion/buck,grumpyjames/buck,justinmuller/buck,ilya-klyuchnikov/buck,facebook/buck,rmaz/buck,clonetwin26/buck,grumpyjames/buck,JoelMarcey/buck,robbertvanginkel/buck,JoelMarcey/buck,robbertvanginkel/buck,Addepar/buck,vschs007/buck,zpao/buck,k21/buck,darkforestzero/buck,facebook/buck,sdwilsh/buck,LegNeato/buck,k21/buck,LegNeato/buck,brettwooldridge/buck,sdwilsh/buck,LegNeato/buck,SeleniumHQ/buck,zhan-xiong/buck,illicitonion/buck,rmaz/buck,Addepar/buck,kageiit/buck,daedric/buck,raviagarwal7/buck,davido/buck,marcinkwiatkowski/buck,kageiit/buck,romanoid/buck,OkBuilds/buck,romanoid/buck,ilya-klyuchnikov/buck,romanoid/buck,grumpyjames/buck,raviagarwal7/buck,sdwilsh/buck,robbertvanginkel/buck,shybovycha/buck,justinmuller/buck,robbertvanginkel/buck,sdwilsh/buck,LegNeato/buck,davido/buck,romanoid/buck,brettwooldridge/buck