Use the following command to install wxpython
on Ubuntu 20.04:
python3 -m pip install -U -f https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-20.04 wxPython
Use the following command to install wxpython
on Ubuntu 20.04:
python3 -m pip install -U -f https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-20.04 wxPython