safety #1444

Job	Run time
test (3.7, 2.3.0, TEST=asr_gt)	1m 18s
test (3.7, 2.3.0, TEST=asr_specaugment)	55s
test (3.7, 2.3.0, TEST=hello)	4m 45s
test (3.7, 2.3.0, TEST=nn_array)	1m 19s
test (3.7, 2.3.0, TEST=nn_attention)	1m 0s
test (3.7, 2.3.0, TEST=nn_base)	59s
test (3.7, 2.3.0, TEST=nn_cond)	1m 11s
test (3.7, 2.3.0, TEST=nn_conformer)	1m 9s
test (3.7, 2.3.0, TEST=nn_const)	1m 10s
test (3.7, 2.3.0, TEST=nn_container)	52s
test (3.7, 2.3.0, TEST=nn_conv)	59s
test (3.7, 2.3.0, TEST=nn_debug_eager_mode)	1m 24s
test (3.7, 2.3.0, TEST=nn_encoder)	57s
test (3.7, 2.3.0, TEST=nn_generated_layers)	55s
test (3.7, 2.3.0, TEST=nn_loop)	1m 9s
test (3.7, 2.3.0, TEST=nn_loss)	1m 8s
test (3.7, 2.3.0, TEST=nn_masked_computation)	1m 14s
test (3.7, 2.3.0, TEST=nn_math)	1m 13s
test (3.7, 2.3.0, TEST=nn_normalization)	56s
test (3.7, 2.3.0, TEST=nn_rand)	57s
test (3.7, 2.3.0, TEST=nn_rec)	58s
test (3.7, 2.3.0, TEST=nn_transformer)	51s
test (3.7, 2.3.0, TEST=nn_utils)	53s
test (3.7, 2.3.0, RUN="time python3 -m tests.test_nn_transformer")	58s
test (RUN=tests/pycharm-inspect.py, 3.7, 2.3.0)	5m 35s
	34m 45s

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