code: def fetch_last(self) -> float:
      val = self._backend.get_float_series_attribute(
          self._container_id, self._container_type, self._path
      )
      return val.last
  
file_path: neptune-client/src/neptune/attributes/series/float_series.py
imports: from typing import Iterable, Optional, Union
  from neptune.attributes.series.fetchable_series import FetchableSeries
  from neptune.attributes.series.series import Series
  from neptune.internal.backends.api_model import FloatSeriesValues
  from neptune.internal.operation import ClearFloatLog, ConfigFloatSeries, LogFloats, Operation
  from neptune.internal.utils import verify_type
  from neptune.types.series.float_series import FloatSeries
label_desc: Use image node_id 6 for calling the FloatSeries obj's underlying member method code with example usage: obj.fetch_last() and returns: val