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feed_fn and sets the
Compat aliases for migration
See Migration guide for more details.
tf.estimator.FeedFnHook( feed_fn )
function that takes no arguments and returns
after_create_session( session, coord )
Called when new TensorFlow session is created.
This is called to signal the hooks that a new session has been created. This
has two essential differences with the situation in which
begin is called:
- When this is called, the graph is finalized