Update utils/chatbot_interface3.py

utils/chatbot_interface3.py

@@ -105,7 +105,7 @@ class ChatbotInterface:
             # Use a gr.Row container as the input box with an integrated submit button.
             with gr.Row(elem_id="input-container", equal_height=True):
                 user_input = gr.Textbox(
-                    lines=2,
+                    lines=1,
                     show_label=False,              # Hide label for a unified look.
                     elem_id="chat-input",
                     placeholder=self.input_placeholder,