code: def __init__(self, distr_output) -> None:
      self.distr_output = distr_output
  
imports: import logging
  from functools import singledispatch
  from typing import Callable, Iterator, List, Optional
  import numpy
  from gluonts.core.component import validated
  from gluonts.dataset.common import DataEntry
  from gluonts.dataset.field_names import FieldName
  from gluonts.itertools import select
  from gluonts.dataset.loader import DataLoader
  from gluonts.model.forecast import Forecast, QuantileForecast, SampleForecast
label_desc: Use image node_id 1 to create a new DistributionForecastGenerator object from inherited base classes: ForecastGenerator with example: obj = DistributionForecastGenerator(distr_output)