Update app.py

app.py

@@ -78,7 +78,7 @@ Keep in mind that for compatibility reasons your photo is cropped before the neu
         allow_flagging='never'
     )
 
-    return iface.launch(inbrowser=True, height=800, width=800)
+    return iface.launch(inbrowser=True, enable_queue=True, height=800, width=800)
 
 
 if __name__ == '__main__':