class_docstr: Model that returns the original input.
  
  This is primarily used for testing.
class_docstr_tok: ["Model","that","returns","the","original","input",".","This","is","primarily","used","for","testing","."]
code: def call_model(
      self, model_input: str, model_args: ModelArguments | None = None
  ) -> ModelResults:
      candidate_count = (
          model_args.candidate_count if model_args else None
      )
      if candidate_count is None:
          candidate_count = 1
      return ModelResults(
          model_input=model_input,
          text_results=[model_input] * candidate_count,
      )
  
file_path: generative-ai-python/google/generativeai/notebook/lib/model.py
imports: from __future__ import annotations
  import abc
  import dataclasses
  from typing import Sequence
label_desc: Use image node_id 1 for calling the EchoModel obj's underlying member method code with example usage: obj.call_model(model_input, model_args) and returns: ModelResults