Update app.py

app.py

@@ -77,5 +77,6 @@ st.dataframe(inventory_data)
 if st.button("Save Results"):
     inventory_data.to_csv("updated_inventory_data.csv", index=False)
     st.success("Results saved to 'updated_inventory_data.csv'")
-
+if __name__ == "__main__":
+    st.run()