Update app.py

app.py

@@ -21,7 +21,7 @@ def convert_text_to_speech(parrafo, model):
     print("Cargando carpeta Modelos desde:", os.path.join(bundle_dir, '.'))
     random_name = ''.join(random.choices(string.ascii_letters + string.digits, k=8)) + '.wav'
     output_file = os.path.join('.', random_name)
-    piper_exe = os.path.join(bundle_dir, '/piper')
+    piper_exe = '/app/piper'
     print("Ejecutando piper.exe desde:", piper_exe)
     
     if os.path.isfile(piper_exe):