diff --git a/.config/nvim/after/plugin/indent-blankline.lua b/.config/nvim/after/plugin/indent-blankline.lua
index 3390094..57f6b3f 100644
--- a/.config/nvim/after/plugin/indent-blankline.lua
+++ b/.config/nvim/after/plugin/indent-blankline.lua
@@ -4,7 +4,7 @@ require("ibl").setup({
     indent = { char = " "},
     whitespace = { },
     scope = { char = "▎",
-        highlight = "IndentBlanklineContextChar",
+        -- highlight = "IndentBlanklineContextChar",
         show_start = false,
         show_end = false,
         include = { node_type = { python = { "if_statement",
diff --git a/.config/nvim/after/plugin/lsp.lua b/.config/nvim/after/plugin/lsp.lua
index ce0ec39..b02f164 100644
--- a/.config/nvim/after/plugin/lsp.lua
+++ b/.config/nvim/after/plugin/lsp.lua
@@ -32,6 +32,7 @@ local servers = {
             pylsp = {
                 plugins = {
                     -- I don't want pylsp linter/formatter
+                    black = { enabled = false, },
                     autopep8 = { enabled = false, },
                     flake8 = { enabled = false, },
                     mccabe = { enabled = false, },
@@ -47,11 +48,13 @@ local servers = {
         filetypes = { "python" },
         init_options = {
             settings = {
-                -- configuration = "<path_to_custom_ruff_toml>",  -- Custom config for ruff to use
+                configuration = "~/.local/share/nvim/ruff.toml",  -- Custom config for ruff to use
                 exclude = { "__about__.py" },  -- Files to be excluded by ruff checking
                 lineLength = 160,  -- Line length to pass to ruff checking and formatting
                 organizeImports = true,
-                preview = false,  -- Whether to enable the preview style linting and formatting.
+                format = {
+                    preview = false,  -- Whether to enable the preview style linting and formatting.
+                },
                 lint = {
                     enable = true,  -- Enable linting
                     -- select = { "F" },  -- Rules to be enabled by ruff
diff --git a/.config/nvim/after/plugin/treesitter.lua b/.config/nvim/after/plugin/treesitter.lua
index 0275e1a..1f2d129 100644
--- a/.config/nvim/after/plugin/treesitter.lua
+++ b/.config/nvim/after/plugin/treesitter.lua
@@ -1,6 +1,6 @@
 require'nvim-treesitter.configs'.setup {
   -- A list of parser names, or "all" (the five listed parsers should always be installed)
-  ensure_installed = { "bash", "c", "cpp", "cuda", "latex", "lua", "markdown", "rust", "vim", "vimdoc" },
+  ensure_installed = { "bash", "c", "cpp", "cuda", "latex", "lua", "markdown", "python", "rust", "vim", "vimdoc" },
 
   -- Install parsers synchronously (only applied to `ensure_installed`)
   sync_install = false,
@@ -24,33 +24,17 @@ require'nvim-treesitter.configs'.setup {
   },
 }
 local vim = vim
-local opt = vim.opt
-local api = vim.api
-local M = {}
 
-opt.foldmethod = "expr"
-opt.foldexpr = "nvim_treesitter#foldexpr()"
-
--- function to create a list of commands and convert them to autocommands
--------- This function is taken from https://github.com/norcalli/nvim_utils
-function M.nvim_create_augroups(definitions)
-    for group_name, definition in pairs(definitions) do
-        api.nvim_command('augroup '..group_name)
-        api.nvim_command('autocmd!')
-        for _, def in ipairs(definition) do
-            local command = table.concat(vim.tbl_flatten{'autocmd', def}, ' ')
-            api.nvim_command(command)
+vim.o.foldmethod = 'expr'
+-- Default to treesitter folding
+vim.o.foldexpr = 'v:lua.vim.treesitter.foldexpr()'
+-- Prefer LSP folding if client supports it
+vim.api.nvim_create_autocmd('LspAttach', {
+    callback = function(args)
+    local client = vim.lsp.get_client_by_id(args.data.client_id)
+    if client:supports_method('textDocument/foldingRange') then
+            local win = vim.api.nvim_get_current_win()
+            vim.wo[win][0].foldexpr = 'v:lua.vim.lsp.foldexpr()'
         end
-        api.nvim_command('augroup END')
-    end
-end
-
-
-local autoCommands = {
-    -- other autocommands
-    open_folds = {
-        {"BufReadPost,FileReadPost", "*", "normal zR"}
-    }
-}
-
-M.nvim_create_augroups(autoCommands)
+    end,
+})
diff --git a/.config/nvim/lua/config/gruvbox.lua b/.config/nvim/lua/config/gruvbox.lua
index 26f96ce..f1c1a32 100644
--- a/.config/nvim/lua/config/gruvbox.lua
+++ b/.config/nvim/lua/config/gruvbox.lua
@@ -22,4 +22,4 @@ require("gruvbox").setup({
 	dim_inactive = false,
 	transparent_mode = true,
 })
-vim.cmd.colorscheme("gruvbox")
+vim.cmd("colorscheme gruvbox")
diff --git a/.config/nvim/lua/config/init.lua b/.config/nvim/lua/config/init.lua
index e3660af..d989097 100644
--- a/.config/nvim/lua/config/init.lua
+++ b/.config/nvim/lua/config/init.lua
@@ -1,4 +1,4 @@
+require("config.pckr")
 require("config.remap")
 require("config.options")
 require("config.gruvbox")
-require("config.packer")
diff --git a/.config/nvim/lua/config/packer.lua b/.config/nvim/lua/config/pckr.lua
similarity index 64%
rename from .config/nvim/lua/config/packer.lua
rename to .config/nvim/lua/config/pckr.lua
index 9aa70a2..073bd48 100644
--- a/.config/nvim/lua/config/packer.lua
+++ b/.config/nvim/lua/config/pckr.lua
@@ -1,39 +1,48 @@
-return require('packer').startup(function(use)
-    -- Packer can manage itself
-    use 'wbthomason/packer.nvim'
+local function bootstrap_pckr()
+  local pckr_path = vim.fn.stdpath("data") .. "/pckr/pckr.nvim"
 
-    use {
+  if not (vim.uv or vim.loop).fs_stat(pckr_path) then
+    vim.fn.system({
+      'git',
+      'clone',
+      "--filter=blob:none",
+      'https://github.com/lewis6991/pckr.nvim',
+      pckr_path
+    })
+  end
+
+  vim.opt.rtp:prepend(pckr_path)
+end
+
+bootstrap_pckr()
+
+require('pckr').add{
+    {
         'nvim-telescope/telescope.nvim',
         tag = '0.1.1',
         -- or branch = '0.1.x',
         requires = { {'nvim-lua/plenary.nvim'} }
-    }
-    use "ellisonleao/gruvbox.nvim"
-
-    use {
+    };
+    "ellisonleao/gruvbox.nvim";
+    {
         'nvim-treesitter/nvim-treesitter',
         run = function()
             local ts_update = require('nvim-treesitter.install').update({ with_sync = true })
             ts_update()
         end,
-    }
-    use 'nvim-treesitter/playground'
-    use {
+    };
+    {
         'ThePrimeagen/harpoon',
         requires = { {'nvim-lua/plenary.nvim'} }
-    }
-    use 'mbbill/undotree'
-    use 'tpope/vim-fugitive'
-    use 'airblade/vim-gitgutter'
-
-    use 'lukas-reineke/indent-blankline.nvim'
-
-    use 'JoosepAlviste/nvim-ts-context-commentstring'
-    use 'numToStr/Comment.nvim'
-
-    use 'lervag/vimtex'
-
-    use {
+    };
+    'mbbill/undotree';
+    'tpope/vim-fugitive';
+    'airblade/vim-gitgutter';
+    'lukas-reineke/indent-blankline.nvim';
+    'JoosepAlviste/nvim-ts-context-commentstring';
+    'numToStr/Comment.nvim';
+    'lervag/vimtex';
+    {
         'neovim/nvim-lspconfig',
         requires = {
             -- LSP Support
@@ -57,7 +66,6 @@ return require('packer').startup(function(use)
             -- Utils
             {'j-hui/fidget.nvim'},
             {'folke/neodev.nvim'}
-        }
-    }
-
-end)
+        };
+    };
+}