Update app.py

app.py

@@ -102,6 +102,8 @@ def get_table_download_link(file_path):
     ext = os.path.splitext(file_name)[1]  # get the file extension
     if ext == '.txt':
         mime_type = 'text/plain'
+    elif ext == '.wav':
+        mime_type = 'audio/x-wav'
     elif ext == '.htm':
         mime_type = 'text/html'
     elif ext == '.md':