Update app.py

app.py

@@ -35,12 +35,15 @@ def main():
         st.title("Menu:")
         pdf_docs = st.file_uploader("Upload your PDF Files", accept_multiple_files=True)
 
+        # Only process the PDFs if they are uploaded
+        raw_text = ""
         if pdf_docs and st.button("Submit & Process"):
             with st.spinner("Processing PDFs..."):
                 raw_text = get_pdf_text(pdf_docs)
                 st.success("PDF content processed successfully!")
 
-    if user_question and pdf_docs:
+    # Ensure that both the question and PDF content are available before querying the model
+    if user_question and raw_text:
         st.write("Fetching answer...")
         response = get_gemini_response(user_question, raw_text)
         st.write("Reply:", response)