code: def setup(self, openai_api_key="") -> None:
      self.openai_api_key = openai_api_key
  
file_path: evadb/evadb/functions/dalle.py
imports: import os
  from io import BytesIO
  import numpy
  import pandas
  import requests
  from PIL import Image
  from evadb.catalog.catalog_type import NdArrayType
  from evadb.functions.abstract.abstract_function import AbstractFunction
  from evadb.functions.decorators.decorators import forward
  from evadb.functions.decorators.io_descriptors.data_types import PandasDataframe
  from evadb.utils.generic_utils import try_to_import_openai
label_desc: Use image node_id 2 for calling the DallEFunction obj's underlying member method code with example usage: obj.setup(openai_api_key) without return types