Update app.py

app.py

@@ -20,7 +20,8 @@ import subprocess
 from ultralytics.nn.tasks import DetectionModel
 from torch.nn import Sequential
 from ultralytics.nn.modules.conv import Conv
-torch.serialization.add_safe_globals([DetectionModel, Sequential, Conv])
+mport the class: from torch.nn import Conv2d
+torch.serialization.add_safe_globals([DetectionModel, Sequential, Conv, Conv2d])
 
 from io import BytesIO
 import glob