code: def get_flags_arch(self):
      vast_version = self.get_version()
      gnu = GnuFCompiler()
      gnu.customize(None)
      self.version = gnu.get_version()
      opt = GnuFCompiler.get_flags_arch(self)
      self.version = vast_version
      return opt
  
imports: import os
  from numpy.distutils.fcompiler.gnu import GnuFCompiler
label_desc: Use image node_id 3 for calling the VastFCompiler obj's underlying member method code with example usage: obj.get_flags_arch() and returns: opt