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fix: Wrap import of ConstantFold utilities #2312

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Sep 12, 2023
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fix: Wrap import of ConstantFold utilities #2312

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13 changes: 12 additions & 1 deletion py/torch_tensorrt/dynamo/backend/backends.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,16 +7,27 @@
import torch
import torch._dynamo as td
import torch.utils._pytree as pytree
import torch_tensorrt
from torch._dynamo.utils import detect_fake_mode
from torch._functorch.aot_autograd import _aot_export_function
from torch._inductor.constant_folding import ConstantFolder, replace_node_with_constant
from torch._ops import OpOverload
from torch_tensorrt.dynamo import CompilationSettings
from torch_tensorrt.dynamo.compile import compile_module
from torch_tensorrt.dynamo.lowering._decompositions import get_decompositions
from torch_tensorrt.dynamo.lowering._pre_aot_lowering import pre_aot_substitutions
from torch_tensorrt.dynamo.utils import parse_dynamo_kwargs

from packaging import version

# Modify import location of utilities based on Torch version
if version.parse(torch_tensorrt.sanitized_torch_version()) <= version.parse("2.1.0"):
from torch._inductor.freezing import ConstantFolder, replace_node_with_constant
else:
from torch._inductor.constant_folding import (
ConstantFolder,
replace_node_with_constant,
)

logger = logging.getLogger(__name__)


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