Update app.py

app.py

@@ -432,4 +432,9 @@ iface = gr.Interface(
     ],
     outputs=gr.File(label="Download Excel")
 )
-iface.launch(prevent_thread_lock=True) 
+if __name__ == "__main__":
+    try:
+        iface.close() # Close existing instance if it exists
+    except:
+        pass
+    iface.launch()