def _get_var_name(self, orig):
        name = self._resolve_possible_variable(orig)
        try:
            return self._unescape_variable_if_needed(name)
        except __HOLE__:
            raise RuntimeError("Invalid variable syntax '%s'" % orig)
dataset/ETHPy150Open shellderp/sublime-robot-plugin/lib/robot/libraries/BuiltIn.py/_Variables._get_var_name