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[BugFix] Fix tree_leaves import for older versions of PT #995

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Merged
vmoens merged 1 commit into from
Sep 16, 2024
Merged

[BugFix] Fix tree_leaves import for older versions of PT #995

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11 changes: 10 additions & 1 deletion tensordict/nn/cudagraphs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,16 @@
from tensordict.utils import strtobool
from torch import Tensor

from torch.utils._pytree import SUPPORTED_NODES, tree_leaves, tree_map
from torch.utils._pytree import SUPPORTED_NODES, tree_map

try:
from torch.utils._pytree import tree_leaves
except ImportError:
from torch.utils._pytree import tree_flatten

def tree_leaves(pytree):
"""Torch 2.0 compatible version of tree_leaves."""
return tree_flatten(pytree)[0]


class CudaGraphModule:
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