Update dl.py

dl.py

@@ -261,9 +261,7 @@ with gr.Blocks() as build:
         print(f_ist)
         for ea in f_ist:
             outp = gr.Button("ea")
-    
-        children = test_col.children
-        return gr.Row.update(children=children.append(gr.Audio()))    
+        return gr.update(test_col.append(gr.Audio()))