nvim: Fix small lsp issues

nvim/.config/nvim/lua/plugins/lsp.lua

@@ -112,7 +112,7 @@ local lsp = {
 
 			lspconfig.marksman.setup({
 				filetypes = { "markdown", "quarto" },
-				on_attach = function(client, bufnr)
+				on_attach = function(client, _)
 					-- TODO: for some reason this stays true even after rootdir switch?
 					if client.config.in_zk_notebook then
 						local default_handler = vim.diagnostic.handlers.virtual_text
@@ -132,7 +132,7 @@ local lsp = {
 								default_handler.hide(...)
 							end,
 						}
-						local default_handler = vim.diagnostic.handlers.signs
+						default_handler = vim.diagnostic.handlers.signs
 						vim.diagnostic.handlers.signs = {
 							show = function(namespace, bufnrr, diagnostics, opts)
 								for i, diagnostic in ipairs(diagnostics) do
@@ -164,7 +164,7 @@ local lsp = {
 			-- ensure python virtualenv is determined automatically on lsp start
 			-- we primarily use pyright for cmp lsp completion & hover info
 			lspconfig.basedpyright.setup({
-				on_attach = function(client, bufnr)
+				on_attach = function(client, _)
 					require("core.util").set_python_env()
 					if python_path == nil then
 						python_path, _ = vim.fn.expand(require("core.util").get_python_venv_bin(client.config.root_dir))
@@ -186,7 +186,7 @@ local lsp = {
 				},
 			})
 			lspconfig.ruff.setup({
-				on_attach = function(client, bufnr)
+				on_attach = function(client, _)
 					require("core.util").set_python_env()
 					client.server_capabilities.hoverProvider = false -- we use pyright for hover info
 					if python_path == nil then
@@ -209,7 +209,7 @@ local lsp = {
 				pattern = "SpellEnable",
 				callback = function()
 					lspconfig.ltex.setup({
-						on_attach = function(client, bufnr)
+						on_attach = function(_, _)
 							if require("core.util").is_available("ltex_extra") then
 								require("ltex_extra").setup()
 							end