Also, because some assert ops don't make it into the graph, the graph
    structure changes. A different graph can result in different per-op random
    seeds when they are not given explicitly (most often).
*   The following APIs are not longer experimental:
    `tf.config.list_logical_devices`, `tf.config.list_physical_devices`,
    `tf.config.get_visible_devices`, `tf.config.set_visible_devices`,