Update app.py

app.py

@@ -407,7 +407,8 @@ if __name__ == '__main__':
         for doc in docs:
             texts.append(doc.page_content)
             del doc.metadata['title']
-            del doc.metadata['summary']
+            del doc.metadata['description']
+            del doc.metadata['language']
             metadatas.append(doc.metadata)
 
         texts, metadatas, dense_embeddings, sparse_embeddings = chunk_documents(texts, metadatas, dense_model, sparse_model)