cast input to int

app.py

@@ -77,8 +77,8 @@ def sahi_yolo_inference(
     prediction_result_2 = sahi.predict.get_sliced_prediction(
         image=image,
         detection_model=model,
-        slice_height=slice_height,
-        slice_width=slice_width,
+        slice_height=int(slice_height),
+        slice_width=int(slice_width),
         overlap_height_ratio=overlap_height_ratio,
         overlap_width_ratio=overlap_width_ratio,
         postprocess_type=postprocess_type,