Update app.py

app.py

@@ -172,8 +172,7 @@ def run_nnunet_predict(nifti_file):
         "hd-bet",
         "-i", input_path,
         "-o", hd_bet_output_path,
-        "-device", "cpu",  # or "cuda" if available
-        "-mode", "fast"
+        "-device", "cuda",  # or "cpu"
         ], check=True)
        print("Skull-stripping completed.")
        input_path = hd_bet_output_path