Update app.py

app.py

@@ -1,4 +1,4 @@
-from flask import Flask, request, jsonify, send_from_directory
+from flask import Flask, request, jsonify, send_from_directory, Response
 import os
 import time
 import random
@@ -102,11 +102,15 @@ def get_url():
                 continue
             
             if html_only:
-                return html, 200, {
-                    'Content-Type': 'text/html; charset=utf-8',
-                    'X-User-Agent': user_agent,
-                    'X-Attempts': str(len(failed_attempts) + 1)
-                }
+                return Response(
+                    html,
+                    mimetype='text/html',
+                    headers={
+                        'Content-Type': 'text/html; charset=utf-8',
+                        'X-User-Agent': user_agent,
+                        'X-Attempts': str(len(failed_attempts) + 1)
+                    }
+                )
             
             return jsonify({
                 'success': True,
@@ -159,7 +163,7 @@ def fetch_with_ua(url, user_agent, html_only):
         html = response.text
         
         if html_only:
-            return html, 200, {'Content-Type': 'text/html; charset=utf-8'}
+            return Response(html, mimetype='text/html')
         
         return jsonify({
             'success': True,