update classes names

app.py

@@ -7,8 +7,9 @@ model = tf.keras.models.load_model('model.h5')
 
 # Define the class names
 class_names = {
-    0: 'Esophagitis',
-    1: 'Dyed lifted polyps'
+    0: 'Glioma',
+    1: 'Menin',
+    2: 'Tumor'
 }