Update app.py

app.py

@@ -519,10 +519,10 @@ if __name__ == "__main__":
             gr.Markdown("Accesses text data from 11,982 unique BAS URLs (6GB [Vector Database](https://huggingface.co/datasets/Mr-Geo/chroma_db/tree/main/) 📚 extracted 02/02/2025) Created with open source technologies: [Gradio](https://gradio.app) for UI 🎨, [Hugging Face](https://huggingface.co/) models for embeddings ⚡, and [Chroma](https://www.trychroma.com/) as the vector database 💻")
             model_selector = gr.Dropdown(
                 choices=[
-                    "llama-3.3-70b-versatile",                    
-                    "meta-llama/llama-4-maverick-17b-128e-instruct",
-                    "mistral-saba-24b",
-                    "deepseek-r1-distill-llama-70b"
+                    ("Llama 3.3 - Versatile 🦙✨", "llama-3.3-70b-versatile"),                    
+                    ("Llama 4 - Latest 🚀", "meta-llama/llama-4-scout-17b-16e-instruct"),
+                    ("Mistral Saba - Balanced ⚖️", "mistral-saba-24b"),
+                    ("DeepSeek - Reasoning 🧠🔍", "deepseek-r1-distill-llama-70b")
                 ],
                 value="llama-3.3-70b-versatile",
                 label="Select AI Large Language Model 🤖",
@@ -533,12 +533,12 @@ if __name__ == "__main__":
             with gr.Row(equal_height=True):
                 msg = gr.Textbox(
                     placeholder="What would you like to know about BAS? Or choose an example question...❓",
-                    label="Your question",
+                    label="Your question 🤔",
                     show_label=True,
                     container=True,
-                    scale=20
+                    submit_btn=True,
+                    scale=20,
                 )
-                send = gr.Button("Send ⬆️", scale=1, min_width=50)
             clear = gr.Button("Clear Chat History 🧹 (Click here if any errors are returned and ask question again)")
             
             gr.Examples(
@@ -567,16 +567,14 @@ if __name__ == "__main__":
             msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False).then(
                 bot, [chatbot, model_selector], chatbot
             )
-            send.click(user, [msg, chatbot], [msg, chatbot], queue=False).then(
-                bot, [chatbot, model_selector], chatbot
-            )
             
             clear.click(lambda: [], None, chatbot, queue=False)  # Updated to return empty list
             gr.Markdown("<footer style='text-align: center; margin-top: 5px;'>🤖 AI-generated content; while the Chat Assistant strives for accuracy, errors may occur; please thoroughly check critical information 🤖<br>⚠️ <strong><u>Disclaimer: This system was not produced by the British Antarctic Survey (BAS) and AI generated output does not reflect the views or opinions of BAS</u></strong> ⚠️ <br>(just a bit of fun :D)</footer>")
         demo.launch(
             server_name="0.0.0.0",
             server_port=7860,
-            share=False
+            share=False,
+            show_api=False
         )
         
     except Exception as e: