class_docstr: Eps level 1b reader for AVHRR data.
docstr: Get bounding box.
code: def get_bounding_box(self):
      """Get bounding box."""
      if self.sections is None:
          self._read_all()
      lats = np.hstack(
          [
              self["EARTH_LOCATION_FIRST"][0, [0]],
              self["EARTH_LOCATION_LAST"][0, [0]],
              self["EARTH_LOCATION_LAST"][-1, [0]],
              self["EARTH_LOCATION_FIRST"][-1, [0]],
          ]
      )
      lons = np.hstack(
          [
              self["EARTH_LOCATION_FIRST"][0, [1]],
              self["EARTH_LOCATION_LAST"][0, [1]],
              self["EARTH_LOCATION_LAST"][-1, [1]],
              self["EARTH_LOCATION_FIRST"][-1, [1]],
          ]
      )
      return lons.ravel(), lats.ravel()
  
imports: import functools
  import logging
  import dask.array
  import numpy
  import xarray
  from dask.delayed import delayed
  from pyresample.geometry import SwathDefinition
  from satpy._compat import cached_property
  from satpy._config import get_config_path
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.readers.xmlformat import XMLFormat
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 9 for calling the EPSAVHRRFile obj's underlying member method code with example usage: obj.get_bounding_box() and returns: lons,  lats