Update search_utils.py

search_utils.py

@@ -47,9 +47,7 @@ class MetadataManager:
                     if url.strip() and url.startswith('http')
                 ]
             )
-            # Convert list of sources to a single string, separate by ' | '
-            self.df['source'] = self.df['source'].apply(lambda x: ' | '.join(x) if isinstance(x, list) else x)
-            
+                      
 
             self.total_docs = len(self.df)