Python throw AttributeError

[CharlesHe023]

charles@xavier-nvme:~$ sudo -E python3 -m openwifipass --ssid MySSID --psk 'testpassword'
[sudo] password for charles:
Start scanning...
SSID match in PWS advertisement from 5d:32:e4:bd:f0:3b
Connect to device 5d:32:e4:bd:f0:3b
Traceback (most recent call last):
File "/usr/lib/python3.6/runpy.py", line 197, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/usr/lib/python3.6/runpy.py", line 87, in _run_code
exec(code, run_globals)
File "/home/charles/.local/lib/python3.6/site-packages/openwifipass/main.py", line 31, in
main()
File "/home/charles/.local/lib/python3.6/site-packages/openwifipass/main.py", line 27, in main
startPWS(scanResult.addr, args.ssid, args.psk)
File "/home/charles/.local/lib/python3.6/site-packages/openwifipass/Connection.py", line 95, in startPWS
grantorHandler = GrantorHandler(ssid, psk)
File "/home/charles/.local/lib/python3.6/site-packages/openwifipass/GrantorHandler.py", line 17, in init
self.session_keys = SessionKeys()
File "/home/charles/.local/lib/python3.6/site-packages/openwifipass/Keys.py", line 9, in init
encoding=serialization.Encoding.Raw, format=serialization.PublicFormat.Raw
File "/usr/lib/python3.6/enum.py", line 429, in getattr
raise AttributeError(name) from None
AttributeError: Raw

[firkeuf]

You need to upgrade cryptography
pip3 install --upgrade cryptography