Update app.py

app.py

@@ -96,7 +96,7 @@ def inferenceScore(image_url, image, min_score, model_name):
 
     v = Visualizer(im, models[model_id]["metadata"], scale=1.2)
     out = v.draw_instance_predictions(outputs["instances"].scores[1])
-    return out.item()
+    return float(out.item())
 
 title = "# DBMDZ Detectron2 Model Demo"
 description = """