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Update training_loop.py (#913)

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William Falcon authored and GitHub committed 2020-02-22 05:15:36 -05:00
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commit 446a1e23d7
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pytorch_lightning/trainer/training_loop.py
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@@ -594,7 +594,7 @@ class TrainerTrainLoopMixin(ABC):
model = self.get_model()
with self.profiler.profile('optimizer_step'):
if self.use_tpu:
xm.optimizer_step(optimizer, barrier=True)
xm.optimizer_step(optimizer)
else:
model.optimizer_step(self.current_epoch, batch_idx,
optimizer, opt_idx, optimizer_closure)