Update app.py

app.py

@@ -30,12 +30,17 @@ def download_html_and_files(url, subdir):
     html_content = requests.get(url).text
     soup = BeautifulSoup(html_content, 'html.parser')
     base_url = urllib.parse.urlunparse(urllib.parse.urlparse(url)._replace(path='', params='', query='', fragment=''))
+
     for link in soup.find_all('a'):
         file_url = urllib.parse.urljoin(base_url, link.get('href'))
         local_filename = os.path.join(subdir, urllib.parse.urlparse(file_url).path.split('/')[-1])
-        if local_filename:
+
+        # Skip if the local filename is a directory
+        if not local_filename.endswith('/') and local_filename != subdir:
             link['href'] = local_filename
             download_file(file_url, local_filename)
+    
+    # Save the modified HTML content
     with open(os.path.join(subdir, "index.html"), "w") as file:
         file.write(str(soup))