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Update scheduler.py #17

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Update scheduler.py #17

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4 changes: 4 additions & 0 deletions warmup_scheduler/scheduler.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
from torch.optim.lr_scheduler import _LRScheduler
from torch.optim.lr_scheduler import ReduceLROnPlateau
import warnings


class GradualWarmupScheduler(_LRScheduler):
Expand All @@ -23,6 +24,9 @@ def __init__(self, optimizer, multiplier, total_epoch, after_scheduler=None):
super(GradualWarmupScheduler, self).__init__(optimizer)

def get_lr(self):
if not self._get_lr_called_within_step:
warnings.warn("To get the last learning rate computed by the scheduler, "
"please use `get_last_lr()`.")
if self.last_epoch > self.total_epoch:
if self.after_scheduler:
if not self.finished:
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