Update app.py

app.py

@@ -322,8 +322,8 @@ with gr.Blocks(css=STYLE, elem_id='container-col') as demo:
                 with gr.Accordion("Histories", elem_id="chat-history-accordion"):
                     channel_btns.append(gr.Button(channels[0], elem_classes=["custom-btn-highlight"]))
     
-                for channel in channels[1:]:
-                    channel_btns.append(gr.Button(channel, elem_classes=["custom-btn"]))
+                    for channel in channels[1:]:
+                        channel_btns.append(gr.Button(channel, elem_classes=["custom-btn"]))
             
         with gr.Column(scale=8, elem_id="right-pane"):
             with gr.Column(elem_id="initial-popup", visible=False) as example_block: