app change

app.py

@@ -1,10 +1,13 @@
 from tinysql_model_demo import model_demo
 from tinysql_dataset_viewer import dataset_viewer  # your dataset viewer function
+import gradio as gr
 
-with gr.Blocks() as app:
+with gr.Blocks() as demo:
     with gr.Tab("Model Demo"):
         model_demo()
     with gr.Tab("Dataset Viewer"):
         dataset_viewer()
 
-app.launch()
+if __name__ == "__main__":
+    demo.launch()
+