Update Timber_WP_CLI_Command.php
Update Timber_WP_CLI_Command.php

This change addresses https://github.com/timber/timber/issues/1429.
jarednova/timber,gchtr/timber,timber/timber,gchtr/timber,josephbergdoll/timber,josephbergdoll/timber,jarednova/timber,jarednova/timber,timber/timber,josephbergdoll/timber,gchtr/timber