Switch to a sed invocation that should work on os x and linux
Switch to a sed invocation that should work on os x and linux

ronen/Halide,ronen/Halide,psuriana/Halide,tdenniston/Halide,tdenniston/Halide,psuriana/Halide,psuriana/Halide,kgnk/Halide,tdenniston/Halide,tdenniston/Halide,tdenniston/Halide,kgnk/Halide,ronen/Halide,kgnk/Halide,jiawen/Halide,jiawen/Halide,ronen/Halide,kgnk/Halide,jiawen/Halide,tdenniston/Halide,kgnk/Halide,ronen/Halide,kgnk/Halide,jiawen/Halide,tdenniston/Halide,psuriana/Halide,jiawen/Halide,psuriana/Halide,kgnk/Halide,kgnk/Halide,ronen/Halide,jiawen/Halide,psuriana/Halide,ronen/Halide,tdenniston/Halide,jiawen/Halide,psuriana/Halide,ronen/Halide