fixed the folds in python

.config/nvim/lua/user/autocommands.lua

@@ -96,6 +96,17 @@ autocmd({"BufEnter", "BufWinEnter"}, {
   end,
 })
 
+-- set the filetype for literally everything else
+vim.api.nvim_create_autocmd("BufEnter", {
+  callback = function()
+    if vim.opt.foldmethod:get() == "expr" then
+      vim.schedule(function()
+        vim.opt.foldmethod = "expr"
+      end)
+    end
+  end,
+})
+
 -- set TXT (text files) to filetype markdown
 autocmd({"BufEnter", "BufWinEnter"}, {
   pattern = {"*.txt"},