Update app.py

app.py

@@ -2,8 +2,8 @@ from icevision.all import *
 import gradio as gr
 
 class_map = ClassMap(['kangaroo']) 
-model = models.torchvision.faster_rcnn.model(backbone=models.torchvision.faster_rcnn.backbones.resnet18_fpn, num_classes=len(class_map))
-state_dict = torch.load('fasterRCNNKangaroo.pth')
+model = models.torchvision.faster_rcnn.model(backbone=models.torchvision.faster_rcnn.backbones.resnet18_fpn(pretrained=True), num_classes=len(class_map))
+state_dict = torch.load('fasterRCNNKangaroo.pth', map_location=torch.device('cpu'))
 model.load_state_dict(state_dict)
 size = 384