Update app.py

app.py

@@ -114,6 +114,7 @@ with demo:
 
     ]
     gr.Examples(examples=examples,
+                fn=run_fn,
                 inputs=[input_pdf_file, input_question_text, input_k_percent],
                 outputs=[output_contexts, output_ranked_contexts, output_qa_results],
                 cache_examples=True)