code: def __call__(self, interval_length: float) -> np.ndarray:
      a, b = self._get_bounds(interval_length)
      assert (
          self.allow_empty_interval or a <= b
      ), "Interval start time must be before interval end time."
      return np.array([b]) if a <= b else np.array([])
  
imports: from typing import Tuple
  import numpy
  from gluonts.dataset.stat import ScaleHistogram
  from gluonts.pydantic import BaseModel
label_desc: Use image node_id 1 for calling the ContinuousTimePredictionSampler obj's underlying member method code with example usage: obj.__call__(interval_length) and returns: unknown