Update app.py

app.py

@@ -16,7 +16,7 @@ def run_demucs(audio_path, selected_stems, model_name=DEFAULT_MODEL):
         logger.info(f"Running Demucs on {audio_path}")
         output_dir = tempfile.mkdtemp()
 
-        cmd = f"python -m demucs -n {model_name} -o {output_dir} \"{audio_path}\""
+        cmd = f"{sys.executable} -m demucs -n {model_name} -o {output_dir} \"{audio_path}\""
         logger.info(f"Executing command: {cmd}")
 
         process = subprocess.Popen(