Solution On my Fedora 30, I installed the following packages manually: iniparser-4.1 python3-aiodns-1.1.1 python3-aiohttp-3.5.4 python3-aiohttp-cors-0.7.0 python3-async-timeout-3.0.0 python3-babel-2.6.0 python3-jinja2-2.10.1 python3-multidict-4.3.1 python3-prompt-toolkit-2.0.9 python3-pycares-2.3.0 python3-pygments-2.2.0 python3-wcwidth-0.1.7 python3-yarl-1.3.0 python3-zipstream-1.1.4 ubridge-0.9.14 And Next, I used the command below to install gns3-server: $ sudo pip3 install gns3-server==2.1.11 And Next: $ sudo dnf install gns3 _______________________________________________ test mailing list -- test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to test-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/test@xxxxxxxxxxxxxxxxxxxxxxx