def _unset_envs():
    if (envs and (args.runtime_backend != RuntimeBackendType.THREAD)):
        for k in envs.keys():
            os.unsetenv(k)
def _unset_envs():
    if (envs and (args.runtime_backend != RuntimeBackendType.THREAD)):
        for k in envs.keys():
            os.unsetenv(k)