code: def supports_multivariate(self) -> bool:
      return True
  
imports: import math
  from typing import Optional, Sequence, Tuple
  import torch
  import torch.nn
  import torch.nn.functional
  from darts.logging import get_logger, raise_if_not
  from darts.models.forecasting.pl_forecasting_module import PLPastCovariatesModule, io_processor
  from darts.models.forecasting.torch_forecasting_model import PastCovariatesTorchModel
  from darts.timeseries import TimeSeries
  from darts.utils.data import PastCovariatesShiftedDataset
  from darts.utils.torch import MonteCarloDropout
label_desc: Use image node_id 2 for calling the TCNModel obj's underlying member method code with example usage: obj.supports_multivariate() and returns: True