class_docstr: A very simple Recipe for smoke test that runs one epoch and one iteration
  with only 1 random sample.
code: def search_space(self):
      return {
          "model": "LSTM",
          "lstm_1_units": hp.choice([32, 64]),
          "dropout_1": hp.uniform(0.2, 0.5),
          "lstm_2_units": hp.choice([32, 64]),
          "dropout_2": hp.uniform(0.2, 0.5),
          "lr": 0.001,
          "batch_size": 1024,
          "epochs": 1,
          "past_seq_len": 2,
      }
  
imports: from zoo.chronos.autots.deprecated.config.base import Recipe
  from zoo.orca.automl import hp
  from zoo.chronos.utils import deprecated
label_desc: Use image node_id 2 for calling the SmokeRecipe obj's underlying member method code with example usage: obj.search_space() and returns: dict