X11 doesn't work

[TheThingGoesSkra]

I use a raspberry pi 3B+ with Raspbian headless version. When I try to connect with ssh -X, gvim is displayed but wif-pumpkin reports this error:

:0: UserWarning: You do not have a working installation of the service_identity module: 'cannot import name opentype'. Please install it from https://pypi.python.org/pypi/service_identity and make sure all of its dependencies are satisfied. Without the service_identity module, Twisted can perform only rudimentary TLS client hostname verification. Many valid certificate/hostname mappings may be rejected. /usr/local/lib/python2.7/dist-packages/bs4/element.py:16: UserWarning: The soupsieve package is not installed. CSS selectors cannot be used. 'The soupsieve package is not installed. CSS selectors cannot be used.' X11 connection rejected because of wrong authentication. wifi-pumpkin.py: cannot connect to X server raspberrypi:10.0

[Jaguar7thNova]

try the following commands. pip install --upgrade google-auth-oauthlib pip install service_identity --ignore-installed service_identity pip install --upgrade pyasn1-modules pip3 install service_identity --force --upgrade sudo apt-get install python-backports.ssl-match-hostname (i don't think this works anymore) cryptography is involved so maybe sudo pip install cryptography --force --upgrade sudo apt-get install libssl1.0 --ignore-installed libssl sudo pip install mitmproxy==0.18.2 --ignore-installed mitmproxy pip install --upgrade pymysql --ignore-installed pyasn1