Update app.py

app.py

@@ -162,9 +162,11 @@ css = """
 # Initialize the chat history and suggested questionsw
 chat_history, follow_up_questions, initial_token_info = initialize_chat()
 
-def fill_textbox(examples_df, row_index, txt):
-    example_question = examples_df.iloc[row_index]['Example Questions']
-    return example_question
+def fill_textbox(examples_df, selected_row, txt):
+    if selected_row is not None and not examples_df.empty:
+        example_question = examples_df.iloc[selected_row]['Example Questions']
+        return example_question
+    return ""
 
 # Initial example questions from the initialization
 formatted_questions = [q.strip() for q in follow_up_questions.split('\n')[:3]]
@@ -216,7 +218,7 @@ with gr.Blocks(css=css) as demo:
                 )
                 examples_component.select(
                     fn=fill_textbox,
-                    inputs=[examples_state, gr.Index(), txt],
+                    inputs=[examples_state, gr.Number(), txt],
                     outputs=[txt]
                 )