Update app.py

app.py

@@ -142,7 +142,7 @@ def main():
                     st.info("Try refining your search terms")
                 else:
                     st.subheader(f"Top Results ({search_duration:.2f}s)")
-                    for res in results:
+                    for index, res in results.iterrows():  # Use iterrows to iterate through rows if it's a DataFrame
                         logger.info(f"Results: {res}")
                         with st.expander(res["title"]):
                             st.markdown(f"**Summary**: {res['summary']}")
@@ -153,10 +153,10 @@ def main():
                             source = res['source']
                             if source and is_valid_url(source):
                                 st.markdown(f"[View Source]({source}) | [Google Scholar Search](https://scholar.google.com/scholar?q={quote(res['title'])})")
-
+        
             except Exception as e:
                 logger.error(f"Search error: {str(e)}")
-                st.error("Search operation failed")
+        st.error("Search operation failed")
 
     # System status sidebar
     with st.sidebar: