cannot import ida_utilities

[zhang-billy]

I was trying to load script file in IDA Pro 7.0 for iOS 12.5.5 kernel. But I am not success with follow messages. It's strange. and can anyone find the way to solve this?

/Users/mac/iosre/tools/ida_kernelcache/ida_kernelcache.py: cannot import name ida_utilities
Traceback (most recent call last):
File "/Applications/IDA Pro 7.0/ida64.app/Contents/MacOS/python/ida_idaapi.py", line 553, in IDAPython_ExecScript
execfile(script, g)
File "/Users/mac/iosre/tools/ida_kernelcache/ida_kernelcache.py", line 8, in
import ida_kernelcache
File "/Applications/IDA Pro 7.0/ida64.app/Contents/MacOS/python/ida_kernelcache/init.py", line 10, in
from . import ida_utilities
ImportError: cannot import name ida_utilities