base_nodes, node_mappings = node_parser.get_base_nodes_and_mappings(raw_nodes)reader = FlatReader()
node_parser = UnstructuredElementNodeParser()
docs = reader.load_data(Path("your_path.html"))
raw_nodes = node_parser.get_nodes_from_documents(docs)BadZipFile: File is not a zip file error? Do you know how to solve this? thank you :D