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[NFC] polish colossalai/amp/torch_amp/torch_amp.py code style (#2290)

pull/2317/head
xyupeng 2023-01-04 10:13:18 +08:00 committed by Frank Lee
parent d1e5bafcd4
commit b965585d05
1 changed files with 3 additions and 3 deletions
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colossalai/amp/torch_amp/torch_amp.py
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@ -1,17 +1,17 @@
#!/usr/bin/env python
# -*- encoding: utf-8 -*-
import torch.nn as nn
import torch.cuda.amp as torch_amp
import torch.nn as nn
from torch import Tensor
from torch.nn.modules.loss import _Loss
from torch.optim import Optimizer
from ._grad_scaler import GradScaler
from colossalai.nn.optimizer import ColossalaiOptimizer
from colossalai.utils import clip_grad_norm_fp32
from ._grad_scaler import GradScaler
class TorchAMPOptimizer(ColossalaiOptimizer):
"""A wrapper class which integrate Pytorch AMP with an optimizer