small fixes

app.py

@@ -25,6 +25,7 @@ import time
 from datetime import datetime
 
 import gradio as gr
+import torch
 import torchaudio
 
 from examples import examples
@@ -108,6 +109,7 @@ def process_microphone(
         return "", build_html_output(str(e), "result_item_error")
 
 
+@torch.no_grad()
 def process(
     language: str,
     repo_id: str,