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Copy existing tensors without a PyTorch warning - #8845
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Preserve independent storage, dtype and device overrides, and leaf gradient settings when formatting mapped tensors. Fixes huggingface#7088 Assisted-by: Codex
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Streaming
with_format("torch").map(...)warns for every row when a transform returns tensors. Copy existing tensors directly while keeping dtype/device overrides, independent storage and leaf gradient settings. Fixes #7088.Added 18 regression cases, including batched maps. Formatting checks: 59 passed, 12 skipped. One audio test needs the missing
torchcodecdependency. it also fails on unchanged main. Lint and formatting pass.