class_docstr: Reader for GAC and LAC data.
class_docstr_tok: ["Reader","for","GAC","and","LAC","data","."]
docstr: Get quality flags and buffer results.
docstr_tok: ["Get","quality","flags","and","buffer","results","."]
code: def _get_qual_flags(self):
      """Get quality flags and buffer results."""
      if self.qual_flags is None:
          self.qual_flags = self.reader.get_qual_flags()
      return self.qual_flags
  
imports: import logging
  from datetime import datetime, timedelta
  import dask.array
  import numpy
  import pygac.utils
  import xarray
  from pygac.gac_klm import GACKLMReader
  from pygac.gac_pod import GACPODReader
  from pygac.lac_klm import LACKLMReader
  from pygac.lac_pod import LACPODReader
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 7 for calling the GACLACFile obj's underlying member method code with example usage: obj._get_qual_flags() and returns: self