Update app.py

app.py

@@ -381,7 +381,7 @@ def server(input, output, session):
 
         
         return render.DataGrid(
-                df.select(selection).round(1),
+                df.select(selection).to_pandas().round(1),
                 row_selection_mode='multiple',
                 height=None,
                 width='fit-content',