Update app.py

app.py

@@ -8,6 +8,12 @@ from huggingface_hub import hf_hub_download
 from imgutils.data import load_image
 from imgutils.utils import open_onnx_model
 
+import random
+from typing import List
+from .base import ONNXBaseTask
+from .utils import prepare_input_wraper
+
+
 _MODELS = [
     ('content_moderation.onnx', 224),
 ]