Update app.py

app.py

@@ -5,7 +5,6 @@ from PIL import Image
 import nibabel as nib
 from monai.transforms import Compose, LoadImage, ScaleIntensity, EnsureChannelFirst, Resize
 from monai.utils import first
-from monai.networks.nets import AnchorGenerator
 from monai.data import CacheDataset, DataLoader
 import tempfile
 import os