updated app script

app.py

@@ -20,7 +20,7 @@ num_classes = 5
 image_height = 320
 mean_arr = np.array([[0.485, 0.456, 0.406]])
 std_arr = np.array([[0.229, 0.224, 0.225]])
-cassava_model = ResNetImageClassififer(num_classes, image_height)
+cassava_model = ResNetImageClassififer(num_classes, pretrained=False)
 
 try:
     logging.info(f"loading model from {file_model_local}")