docstr: Constructor of LSTM Seq2Seq model
docstr_tok: ["Constructor","of","LSTM","Seq2Seq","model"]
code: def __init__(self, check_optional_config=False, future_seq_len=2):
      """
      Constructor of LSTM Seq2Seq model
      """
      self.model = None
      self.past_seq_len = None
      self.future_seq_len = future_seq_len
      self.feature_num = None
      self.target_col_num = None
      self.metric = None
      self.latent_dim = None
      self.batch_size = None
      self.check_optional_config = check_optional_config
  
imports: import pickle
  import numpy
  from tensorflow.keras.models import Model
  from tensorflow.keras.layers import Input, LSTM, Dense
  import tensorflow.keras
  from bigdl.orca.automl.model.abstract import BaseModel
  from bigdl.orca.automl.metrics import Evaluator
label_desc: Use image node_id 1 to create a new LSTMSeq2Seq object from inherited base classes: BaseModel with example: obj = LSTMSeq2Seq(check_optional_config, future_seq_len)