555ca942df407b8c1bf1d48383c60fa1bf09cc1d,tests/keras/engine/test_training.py,,,#,1980

Before Change

    assert np.isclose(history.history["val_metric_1"][-1], 5, 0)


if __name__ == "__main__":
    pytest.main([__file__])

After Change

from keras.utils import Sequence
from keras.callbacks import Callback

if K.backend() == "tensorflow":
    import tensorflow as tf


class RandomSequence(Sequence):
    def __init__(self, batch_size, sequence_length=12):
        self.batch_size = batch_size
        self.sequence_length = sequence_length

Instances