Update app.py

app.py

@@ -65,6 +65,7 @@ def predict(url: str, score_threshold: float) -> tuple[dict[str, float], dict[st
 
 with gr.Blocks(css="style.css") as demo:
     gr.Markdown(DESCRIPTION)
+    result, result_json, result_text = None
     
     with gr.Row():
         with gr.Column():