Update app.py

app.py

@@ -62,9 +62,7 @@ from keras import layers
 from keras.applications import MobileNetV2
 from keras.layers import TextVectorization
 
-
 keras.utils.set_random_seed(111)
-from tensorflow.keras.optimizers.schedules import LearningRateSchedule
 
 from gtts import gTTS
 
@@ -579,7 +577,9 @@ early_stopping = keras.callbacks.EarlyStopping(patience=3, restore_best_weights=
 
 
 # Programador de tasa de aprendizaje para el optimizador
-class LRSchedule(keras.optimizers.schedules.LearningRateSchedule):
+from tensorflow.keras.optimizers.schedules import LearningRateSchedule
+
+class LRSchedule(LearningRateSchedule):
     def __init__(self, post_warmup_learning_rate, warmup_steps):
         super().__init__()
         self.post_warmup_learning_rate = post_warmup_learning_rate