Add image summary of attention probs. Args: source_paddings: source padding, of shape [src_len, src_batch]. targets: A dict of string to tensors representing the targets one try to predict. Each tensor in targets is of shape [tgt_batch, tgt_len]. atten_probs: a list of
(self, source_paddings, targets, atten_probs)
source not stored for this graph (policy: none)
no test coverage detected