AppleTV can't load curve25519

Can’t get my AppleTV to work keep getting the following:

Traceback (most recent call last):
File “/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/homeassistant/components/apple_tv.py”, line 115, in scan_for_apple_tvs
import pyatv
File “/Users/familymartin/.homeassistant/deps/lib/python/site-packages/pyatv/init.py”, line 13, in
from pyatv.internal.apple_tv import AppleTVInternal
File “/Users/familymartin/.homeassistant/deps/lib/python/site-packages/pyatv/internal/apple_tv.py”, line 21, in
from pyatv.airplay.srp import (SRPAuthHandler, new_credentials)
File “/Users/familymartin/.homeassistant/deps/lib/python/site-packages/pyatv/airplay/srp.py”, line 8, in
import curve25519
File “/Users/familymartin/.homeassistant/deps/lib/python/site-packages/curve25519/init.py”, line 2, in
from .keys import Private, Public
File “/Users/familymartin/.homeassistant/deps/lib/python/site-packages/curve25519/keys.py”, line 1, in
from . import _curve25519
ImportError: cannot import name ‘_curve25519’