def delete_configuration(self):
        try:
            self._domain.undefineFlags(
                libvirt.VIR_DOMAIN_UNDEFINE_MANAGED_SAVE)
        except libvirt.libvirtError:
            LOG.debug("Error from libvirt during undefineFlags. %d"
                      "Retrying with undefine", self.id)
            self._domain.undefine()
        except AttributeError:
            # Older versions of libvirt don't support undefine flags,
            # trying to remove managed image
            try:
                if self._domain.hasManagedSaveImage(0):
                    self._domain.managedSaveRemove(0)
            except AttributeError:
                pass
            self._domain.undefine()
getMaxRingerVolume()
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/libvirt/guest.py/Guest.delete_configuration--crossover with--dataset/ETHPy150Open brousch/sl4a_pydroid_mock_api/src/android/utils/androidhelper_r6.py/Android.getMaxRingerVolume