code: def __repr__(self):
      return f"TimeSeriesDataset(n_data={self.temporal.shape[0]:,}, n_groups={self.n_groups:,})"
  
imports: import warnings
  from collections.abc import Mapping
  import numpy
  import pandas
  import pytorch_lightning
  import torch
  import utilsforecast.processing
  from torch.utils.data import Dataset, DataLoader
  from utilsforecast.compat import DataFrame, pl_Series
label_desc: Use image node_id 4 for calling the TimeSeriesDataset obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str, self, str