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fixes no val loader

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William Falcon
2020-05-11 09:47:33 -04:00
committed by GitHub
parent d9bc8a978a
commit 15c11fc848
1 changed files with 1 additions and 1 deletions
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pytorch_lightning/callbacks/progress.py
+1 -1
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@@ -93,7 +93,7 @@ class ProgressBarBase(Callback):
"""
trainer = self.trainer
total_val_batches = 0
if trainer.fast_dev_run:
if trainer.fast_dev_run and trainer.val_dataloaders is not None:
total_val_batches = len(trainer.val_dataloaders)
elif not self.trainer.disable_validation:
is_val_epoch = (trainer.current_epoch + 1) % trainer.check_val_every_n_epoch == 0