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tf.distribute.has_strategy

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Return if there is a current non-default tf.distribute.Strategy.

assert not tf.distribute.has_strategy()
with strategy.scope():
  assert tf.distribute.has_strategy()
Returns
True if inside a with strategy.scope():.

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Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/distribute/has_strategy