Update app.py

app.py

@@ -18,7 +18,7 @@ def filter_text(text):
 def convert_text_to_speech(parrafo, model):
     parrafo_filtrado = filter_text(parrafo)
     bundle_dir = os.path.abspath(os.path.dirname(__file__))
-    random_name = ''.join(random.choices(string.ascii_letters + string.digits, k=8)) + '.wav'
+    random_name = '/app/'.join(random.choices(string.ascii_letters + string.digits, k=8)) + '.wav'
     output_file = os.path.join('.', random_name)
     app.logger.info("Archivo de audio creado en: %s", output_file)
     piper_exe = os.path.join(bundle_dir, './piper')