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Remove dependence on six in clip_and_aggregate_gradients.py.

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PiperOrigin-RevId: 481750014
This commit is contained in:
Steve Chien 2022-10-17 15:06:56 -07:00 committed by A. Unique TensorFlower
parent d5538fccbb
commit 4aa531faa4
2 changed files with 5 additions and 14 deletions
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5
tensorflow_privacy/privacy/optimizers/BUILD
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@ -15,10 +15,7 @@ py_library(
"clip_and_aggregate_gradients.py",
],
srcs_version = "PY3",
deps = [
"//third_party/py/six",
"//third_party/tensorflow/python/ops/parallel_for:control_flow_ops",
],
deps = ["//third_party/tensorflow/python/ops/parallel_for:control_flow_ops"],
)
py_library(

14
tensorflow_privacy/privacy/optimizers/clip_and_aggregate_gradients.py
View file

@ -16,10 +16,8 @@
Modified from tape.jacobian to support sparse gradients.
"""
import sys
from typing import Any, Dict, List, Optional, Tuple, TypeVar, Union
import six
import tensorflow as tf
from tensorflow.python.ops.parallel_for import control_flow_ops # pylint: disable=g-direct-tensorflow-import
@ -192,14 +190,10 @@ def clip_and_aggregate_gradients(
try:
output = control_flow_ops.pfor(loop_fn, target_size)
except ValueError as err:
six.reraise(
ValueError,
ValueError(
str(err) + '\nEncountered an exception while vectorizing the '
'jacobian computation. Consider using a non-vectorized version, '
'i.e. by computing the gradient for each output sequentially.'),
sys.exc_info()[2])
raise ValueError(
'Encountered an exception while vectorizing the '
'batch_jacobian computation. Vectorization can be disabled by '
'setting experimental_use_pfor to False.') from err
grads = []
for i, out in enumerate(output):
if out is not None: