Update app.py

app.py

@@ -62,12 +62,12 @@ def process_pdf_and_ask_question(pdf_file,question):
     
     # Process the question
     res = chain({"question": question})
-     return res["answer"]
+    return res["answer"]
 
 app=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",
+            title="PDF Q&A",
             description="Upload a PDF and ask questions about it.",
              
             )