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Add backward compatible types to pt2e prepare #2244

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May 23, 2025
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Add backward compatible types to pt2e prepare #2244

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6 changes: 4 additions & 2 deletions torchao/quantization/pt2e/quantize_pt2e.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@
if TORCH_VERSION_AT_LEAST_2_7:
from .constant_fold import constant_fold

from typing import Union

from torch.fx import GraphModule, Node
from torch.fx.passes.infra.pass_manager import PassManager

Expand Down Expand Up @@ -39,7 +41,7 @@

def prepare_pt2e(
model: GraphModule,
quantizer: Quantizer,
quantizer: Union[Quantizer, torch.ao.quantization.quantizer.quantizer.Quantizer],
) -> GraphModule:
"""Prepare a model for post training quantization

Expand Down Expand Up @@ -127,7 +129,7 @@ def calibrate(model, data_loader):

def prepare_qat_pt2e(
model: GraphModule,
quantizer: Quantizer,
quantizer: Union[Quantizer, torch.ao.quantization.quantizer.quantizer.Quantizer],
) -> GraphModule:
"""Prepare a model for quantization aware training

Expand Down
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