Update app.py

app.py

@@ -7,6 +7,12 @@ import tensorflow
 import tensorflow as tf
 from tensorflow.keras import backend as K
 from tensorflow.keras.models import Model
+import segmentation_models as sm
+from tensorflow import keras
+
+sm.set_framework('tf.keras')
+
+sm.framework()
 
 
 def jacard(y_true, y_pred):