Update app.py

app.py

@@ -98,7 +98,7 @@ def sahi_yolov5_inference(
         return results.render()[0]
 
     elif model_type == "Unet-Istanbul":
-        from ististanbul_unet import unet_prediction
+        from istanbul_unet import unet_prediction
         
         output = unet_prediction(input_path=image, model_path=model_id)
         return output