I met a problem when I use the :LspInstall pyright, shown below.

[START][2024-01-08 21:43:41] LSP logging initiated [WARN][2024-01-08 21:43:41] .../lua/vim/lsp.lua:101 "method textDocument/signatureHelp is not supported by any of the servers registered for the current buffer" I use this because I havn't the auto completetion... seems that any :LspInstall cannot work. please help!