Update app.py

app.py

@@ -65,10 +65,12 @@ def process_pdf_and_ask_question(pdf_file,question):
     res = chain({"question": question})
     return res["answer"]
 
-app=gr.interface(fn=process_pdf_and_ask_question,
+def gradio_interface(pdf,question):
+    
+
+gr.interface(fn=process_pdf_and_ask_question,
                  inputs=[gr.File(file_count="single", type="filepath"), gr.Textbox(lines=2, placeholder="Ask a question...")],
                  outputs="text",
                  title="PDF Q&A",
                  description="Upload a PDF and ask questions about it.",
-            )
-app.launch()  
+            )launch()