Fix deprecated torch.cuda.amp.GradScaler usage in trainer #3682
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Fix deprecation warning in Flair's trainer code. The issue is that: Flair is using the old PyTorch AMP (Automatic Mixed Precision) API.
Update trainer.py
helpmefindaname
approved these changes
Sep 30, 2025
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Replace deprecated
torch.cuda.amp.GradScalerwith the newtorch.amp.GradScalerAPI to resolve FutureWarning in PyTorch 2.4+.Changes:
Updated
trainer.pyline 545 to usetorch.amp.GradScaler('cuda', ...)instead oftorch.cuda.amp.GradScaler(...)Issue:
Fixes deprecation warning:
Compatibility: