hi,
a good news: thanks to amazing work of @fdivrp, Keypatch assembler plugin
now supports IDA v7 (which is still in beta now)!
check it out from our latest Github code at
https://github.com/keystone-engine/keypatch
Thanks,
Quynh
http://www.keystone-engine.org
http://www.capstone-engine.org
http://www.unicorn-engine.org