Attempted relative import in non-package

[kuqadk3]

C:\Users\Tuan Linh\Desktop\IDA7.0\IDAPro7.0.Green.patch\plugins\keypatch.py: Attempted relative import in non-package
Traceback (most recent call last):
File "C:\Users\Tuan Linh\Desktop\IDA7.0\IDAPro7.0.Green.patch\python\ida_idaapi.py", line 553, in IDAPython_ExecScript
execfile(script, g)
I was trying install Keypatch on IDA 7.0 on Windows and got this error.

File "C:/Users/Tuan Linh/Desktop/IDA7.0/IDAPro7.0.Green.patch/plugins/keypatch.py", line 23, in
from keystone import *
File "C:\Users\Tuan Linh\Desktop\IDA7.0\IDAPro7.0.Green.patch\python\keystone.py", line 9, in
from . import arm_const, arm64_const, mips_const, sparc_const, hexagon_const, ppc_const, systemz_const, x86_const
ValueError: Attempted relative import in non-package