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bug fix for #138 (#143) 

* bug fix for #138

* split if for readability
This commit is contained in:
Ananya Harsh Jha 2019-08-19 15:03:04 -04:00 committed by William Falcon
parent 4bdb976284
commit 5b694c7e0e
1 changed files with 19 additions and 18 deletions
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9
pytorch_lightning/models/trainer.py
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@ -495,11 +495,11 @@ If you want each process to load the full dataset, ignore this warning.
"""
warnings.warn(msg)
if self.use_ddp and\
not all(isinstance(dataloader, DistributedSampler)
for dataloader in self.val_dataloader):
if self.use_ddp and self.val_dataloader is not None:
for dataloader in self.val_dataloader:
if not isinstance(dataloader, DistributedSampler):
msg = """
You're val_dataloader(s) are not all DistributedSamplers.
Your val_dataloader(s) are not all DistributedSamplers.
You're using multiple gpus and multiple nodes without using a DistributedSampler
to assign a subset of your data to each process. To silence this warning, pass a
DistributedSampler to your DataLoader.
@ -516,6 +516,7 @@ dataloader = Dataloader(dataset, sampler=dist_sampler)
If you want each process to load the full dataset, ignore this warning.
"""
warnings.warn(msg)
break
# -----------------------------
# MODEL TRAINING