code: def load_flags_auxv(self):
      auxv = subprocess.check_output(
          ["/bin/true"], env=dict(LD_SHOW_AUXV="1")
      )
      for at in auxv.split(b"\n"):
          if not at.startswith(b"AT_HWCAP"):
              continue
          hwcap_value = [s.strip() for s in at.split(b":", 1)]
          if len(hwcap_value) == 2:
              self.features_flags = self.features_flags.union(
                  hwcap_value[1].upper().decode().split()
              )
  
imports: import sys, platform, re, pytest
  from numpy.core._multiarray_umath import __cpu_features__, __cpu_baseline__, __cpu_dispatch__
  import numpy
  import subprocess
  import pathlib
  import os
  import re
label_desc: Use image node_id 6 for calling the AbstractTest obj's underlying member method code with example usage: obj.load_flags_auxv() without return types