Update app.py

app.py

@@ -146,6 +146,8 @@ def demo():
                     document = gr.Files(height=300, file_count="multiple", file_types=["pdf"], interactive=True, label="Upload PDF documents")
                 with gr.Row():
                     db_btn = gr.Button("Create vector database")
+                with gr.Row():
+                    llm_btn = gr.Radio(list_llm_simple, label="Available LLMs", value = list_llm_simple[0], type="index") # info="Select LLM", show_label=False
                 with gr.Row():
                         db_progress = gr.Textbox(value="Not initialized", show_label=False) # label="Vector database status", 
                 gr.Markdown("<style>body { font-size: 16px; }</style><b>Select Large Language Model (LLM) and input parameters</b>")