code: def setup(self):
      try_to_import_faiss()
      pass
  
file_path: evadb/evadb/functions/ndarray/similarity.py
imports: import pandas
  from evadb.functions.abstract.abstract_function import AbstractFunction
  from evadb.utils.generic_utils import try_to_import_faiss
label_desc: Use image node_id 2 for calling the Similarity obj's underlying member method code with example usage: obj.setup() without return types