Update:no attribute style issue.

app.py

@@ -113,7 +113,7 @@ interface = gr.Interface(
             label="Select Model(s)",
         )
     ],
-    outputs=gr.Gallery(label="Results", elem_id="gallery").style(grid=[2], height=500),
+    outputs = gr.Gallery(label="Results", elem_id="gallery", rows=2, height=500),
     title="Visualising the key image features that drive decisions with our explainable AI tool.",
     description="XAI: Upload an image to visualize object detection of your models.."
 )