Update app.py

app.py

@@ -26,7 +26,7 @@ embed_models = [
     "BAAI/bge-large-en"
 ]
 
-# Global variable for selected model
+# Global variables
 selected_llm_model_name = llm_models[0]
 selected_embed_model_name = embed_models[0]
 vector_index = None
@@ -114,6 +114,7 @@ with gr.Blocks(theme=gr.themes.Soft(font=[gr.themes.GoogleFont("Roboto Mono")]),
                         clear = gr.ClearButton()
                     output = gr.Text(label='Vector Index')
                     llm_model_dropdown = gr.Dropdown(llm_models, label="Step-3: Select LLM", interactive=True)
+                    model_selected_output = gr.Text(label="Model selected")  # FIXED OUTPUT COMPONENT
                 with gr.Column(scale=3):
                     gr.ChatInterface(
                         fn=respond,
@@ -122,9 +123,11 @@ with gr.Blocks(theme=gr.themes.Soft(font=[gr.themes.GoogleFont("Roboto Mono")]),
                         textbox=gr.Textbox(placeholder="Step-4: Ask me questions on the uploaded document!", container=False)
                     )
     gr.HTML(md.footer.format(github_logo_encoded, linkedin_logo_encoded, website_logo_encoded))
-    llm_model_dropdown.change(fn=set_llm_model, inputs=llm_model_dropdown, outputs=[gr.Text(label="Model selected")])
+
+    # Event bindings
+    llm_model_dropdown.change(fn=set_llm_model, inputs=llm_model_dropdown, outputs=model_selected_output)
     btn.click(fn=load_files, inputs=[file_input, embed_model_dropdown], outputs=output)
     clear.click(lambda: [None] * 3, outputs=[file_input, embed_model_dropdown, output])
 
 if __name__ == "__main__":
-    demo.launch(share=True)
+    demo.launch(share=True)