Update app.py

app.py

@@ -62,13 +62,17 @@ except ValueError:
 items = []
 for record in records:
     if isinstance(record, dict):
+        description = record.get("description", "")
+        # Ensure list descriptions are flattened to string
+        if isinstance(description, list):
+            description = " ".join([str(d) for d in description])
         item = {
             "id": record.get("id", ""),
             "title": record.get("title", ""),
             "date": record.get("date", ""),
             "subject": ", ".join(record.get("subject", [])) if isinstance(record.get("subject"), list) else record.get("subject", ""),
             "creator": record.get("creator", ""),
-            "description": record.get("description", "")
+            "description": description
         }
         if not item["title"] and "item" in record:
             item["title"] = record.get("item", {}).get("title", "")
@@ -106,7 +110,7 @@ if not metadata_df.empty:
 
     st.subheader("⚠️ Records with Incomplete Metadata")
     if not incomplete_records.empty:
-        st.dataframe(incomplete_records)
+        st.dataframe(incomplete_records.astype(str))  # Convert to string to avoid ArrowError
     else:
         st.success("All metadata fields are complete in this collection!")