Update app.py

app.py

@@ -119,12 +119,13 @@ if not st.session_state.pdf_loaded and "pdf_path" in st.session_state:
         # Extract metadata
         metadata = extract_metadata_llm(st.session_state.pdf_path)
 
-        # Display extracted metadata
+        # Display extracted-metadata
         st.subheader("📄 Extracted Document Metadata")
-        st.write(f"**Title:** {title}")
-        st.write(f"**Author:** {author}")
-        st.write(f"**Emails:** {email_str}")
-        st.write(f"**Affiliations:** {affiliation_str}")
+        st.subheader("📄 Extracted Document Metadata")
+        st.write(f"**Title:** {metadata.get('Title', 'Unknown')}")
+        st.write(f"**Author:** {metadata.get('Author', 'Unknown')}")
+        st.write(f"**Emails:** {metadata.get('Emails', 'No emails found')}")
+        st.write(f"**Affiliations:** {metadata.get('Affiliations', 'No affiliations found')}")
 
         # Embedding Model
         model_name = "nomic-ai/modernbert-embed-base"