Update server.js

server.js

@@ -1,6 +1,5 @@
 const express = require('express');
 const bodyParser = require('body-parser');
-const fetch = require('node-fetch');
 
 const app = express();
 const port = 3000;
@@ -11,6 +10,8 @@ app.post('/generate', async (req, res) => {
   const { messages, temperature, max_tokens } = req.body;
 
   try {
+    const { default: fetch } = await import('node-fetch'); 
+    
     const response = await fetch('https://api-inference.huggingface.co/models/codellama/CodeLlama-34b-Instruct-hf', {
       method: 'POST',
       headers: {