code: def delete(self) -> None:
      import pinecone
  
      pinecone.delete_index(self._index_name)
  
file_path: evadb/evadb/third_party/vector_stores/pinecone.py
imports: import os
  from typing import List
  from evadb.third_party.vector_stores.types import FeaturePayload, VectorIndexQuery, VectorIndexQueryResult, VectorStore
  from evadb.utils.generic_utils import try_to_import_pinecone_client
  from evadb.utils.logging_manager import logger
label_desc: Use image node_id 4 for calling the PineconeVectorStore obj's underlying member method code with example usage: obj.delete() without return types