Added bind to show the pop-over with the error

nvim/init.lua

@@ -6,7 +6,7 @@ vim.opt.termguicolors = true
 vim.opt.cursorline = true		-- highlight the line with the cursor
 vim.opt.wrap = false			-- do not wrap long lines
 vim.opt.foldmethod = 'marker'		-- when folding, use the marker
-vim.opt.laststatus = 2			-- always show the status line
+vim.opt.laststatus = 3			-- always show the status line, but only one, even with splits
 vim.opt.showtabline = 2			-- always show the tab bar
 vim.opt.scrolloff = 2			-- number of lines to always have around cursor
 vim.opt.splitright = true		-- vertical splits open on the right
@@ -26,17 +26,3 @@ vim.diagnostic.config({signs = false})
 
 -- My plugins and their configuration
 require('plugins')
-
-
--- -- nvim-snippy
--- require('snippy').setup({
---     mappings = {
---         is = {
---             ['<Tab>'] = 'expand_or_advance',
---             ['<S-Tab>'] = 'previous',
---         },
---         nx = {
---             ['<leader>x'] = 'cut_text',
---         },
---     },
--- })

nvim/lua/plugins.lua

@@ -22,7 +22,8 @@ return require('packer').startup(function()
 				vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
 				vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
 				vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
-				vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
+				vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>f', '<cmd>lua vim.lsp.buf.format({async = true})<CR>', opts)
+				vim.api.nvim_buf_set_keymap(bufnr, 'n', 'ge', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)
 
 				if client.resolved_capabilities.document_formatting then
 					vim.api.nvim_command [[augroup Format]]
@@ -46,7 +47,7 @@ return require('packer').startup(function()
 		'nvim-treesitter/nvim-treesitter',
 		config = function()
 			require('nvim-treesitter.configs').setup {
-				ensure_installed = 'maintained',
+				ensure_installed = { "python", "rust" },
 				sync_install = false,
 				highlight = {
 					enable = true,