can not import name invalidate_caches

[nilamo]

Mind showing the full traceback?  I'm on 3.6, so I can't replicate exactly what you're on, but it seems to work on my end.

D:\Projects\playground>python
Python 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 07:18:10) [MSC v.1900 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from importlib import invalidate_caches
>>> invalidate_caches()
>>> help(invalidate_caches)
Help on function invalidate_caches in module importlib:

invalidate_caches()
   Call the invalidate_caches() method on all meta path finders stored in
   sys.meta_path (where implemented).

>>>