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tf.contrib.deprecated.merge_all_summaries

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Merges all summaries collected in the default graph. (deprecated)

This op is deprecated. Please switch to tf.compat.v1.summary.merge_all, which has identical behavior.

key GraphKey used to collect the summaries. Defaults to GraphKeys.SUMMARIES.

If no summaries were collected, returns None. Otherwise returns a scalar Tensor of type string containing the serialized Summary protocol buffer resulting from the merging.