After installing vimspector with Plug.vim, when I reopen neovim, I met the problem as described in the title.
2 Answers
The python package neovim has been renamed to pynvim since version 0.3.1, update the command to pip3 install pynvim
The python package neovim has been renamed to pynvim since version 0.3.1, update the command to pip3 install pynvim