[quant][fx][graphmode][be] Change the type for output of convert to be torch.nn.Module (#69959)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69959
GraphModule is an implementation detail, We don't want to expose it in quantization apis
Test Plan:
python test/test_quantization.py TestQuantizeFx.test_quantized_model_type
Imported from OSS
Reviewed By: supriyar
Differential Revision: D33119103
fbshipit-source-id: d8736ff08b42ee009d6cfd74dcb3f6150f71f3d2
