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Import 'optim' only if PyTorch is installed #22072

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Import 'optim' only if PyTorch is installed #22072

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10 changes: 8 additions & 2 deletions orttraining/orttraining/python/training/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,24 +3,30 @@
# Licensed under the MIT License.
# --------------------------------------------------------------------------
# isort: skip_file
import importlib.util

from onnxruntime.capi._pybind_state import (
PropagateCastOpsStrategy,
TrainingParameters,
is_ortmodule_available,
)

# Options need to be imported before `ORTTrainer`.
from . import amp, artifacts, optim
from . import amp, artifacts

__all__ = [
"PropagateCastOpsStrategy",
"TrainingParameters",
"is_ortmodule_available",
"amp",
"artifacts",
"optim",
]

if importlib.util.find_spec("torch") is not None:
from . import optim

__all__ += ["optim"]
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try:
if is_ortmodule_available():
from .ortmodule import ORTModule
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