Update app.py

app.py

@@ -1,10 +1,9 @@
-# imports
-
-import os
-
-# from icevision.all import *
-import torch
-from torchvision import *
+from huggingface_hub import from_pretrained_fastai
+import gradio as gr
+from fastai.vision.all import *
+from icevision.all import *
+from icevision.models.checkpoint import *
+import PIL
 
 model_2 = models.torchvision.retinanet.model(
     backbone=models.torchvision.retinanet.backbones.resnext50_32x4d_fpn (pretrained=True),