Update app.py

app.py

@@ -77,6 +77,7 @@ if st.sidebar.button("Generate MCQs"):
         with st.spinner("Extracting text and generating MCQs..."):
             text = extract_text_from_pdf(pdf_file)
             try:
+                response = mcq_chain.run(text=text, number=str(number_of_questions))
                 mcqs_json = json.loads(response[8:-3])
                 st.session_state.mcqs = mcqs_json
                 st.session_state.current_q = 0