output -> result in process function to fix local variable/global variable conflict

app.py

@@ -85,15 +85,15 @@ def process_fn(
     if sig.dim() == 2:
         sig = sig.unsqueeze(0)
     
-    #with torch.no_grad():
-    #    output = model(sig)
+    with torch.inference_mode():
+        result = model(sig)
 
     # Remove batch dimension
-    output = output.squeeze(0)
+    result = result.squeeze(0)
     
     output_audio_path = os.path.join("src", "_outputs", "output_restored.wav")
     os.makedirs(os.path.dirname(output_audio_path), exist_ok=True)
-    torchaudio.save(output_audio_path, output.cpu(), 44100)
+    torchaudio.save(output_audio_path, result.cpu(), 44100)
     print(f"✓ Saved output to {output_audio_path}")
 
     return output_audio_path