[Deprecation] Deprecate TensorDictModule.device - #1770
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August 21, 2026 13:40
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Description
Deprecates
TensorDictModule.devicein TensorDict 0.15 and schedules its removal for TensorDict 0.17. A module may contain parameters and buffers on multiple devices, so a single inferred device is not a valid module-level property.The property retains its existing behavior during the deprecation window and emits a
DeprecationWarningwith the removal version. The generated API documentation also marks it as deprecated. No replacement scalar-device API is introduced.This change was developed as a direct follow-up to #1767 and has now been rebased onto
mainafter that PR merged.Test plan
python -m pytest test/nn/test_nn.py -k "repr or device_deprecation" -qpython -m pytest test/nn -q(610 passed, 1 skipped)git diff --check