tf.keras.backend.learning_phase_scope

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Provides a scope within which the learning phase is equal to value.

@tf_contextlib.contextmanager
tf.keras.backend.learning_phase_scope(
    value
)

The learning phase gets restored to its original value upon exiting the scope.

Arguments:

• value: Learning phase value, either 0 or 1 (integers). 0 = test, 1 = train

Yields:

None.

Raises:

• ValueError: if value is neither 0 nor 1.