def _get_authz_session(self):
from ..utilities import BOOTSTRAP_VAULT_TYPE<EOL>try:<EOL><INDENT>vaults = self._get_vault_lookup_session().get_vaults_by_genus_type(BOOTSTRAP_VAULT_TYPE)<EOL><DEDENT>except Unimplemented:<EOL><INDENT>return self._get_authz_manager().get_authorization_session()<EOL><DEDENT>if vaults.available():<EOL><INDENT>vault = vaults.next()<EOL>return self._get_authz_manager().get_authorization_session_for_vault(vault.get_id())<EOL><DEDENT>else:<EOL><INDENT>return self._get_authz_manager().get_authorization_session()<EOL><DEDENT>
Gets the AuthorizationSession for the default (bootstrap) typed Vault

        Assumes only one vault of this Type, but it can have children depending on underlying impl.