pytorch

1fde54d5 - [quant][qat] Ensure fake_quant and observer can be disabled on scriptmodule (#44773)

[quant][qat] Ensure fake_quant and observer can be disabled on scriptmodule (#44773) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44773 The model is created and prepared using fx APIs and then scripted for training. In order to test QAT on scriptmodel we need to be able to disable/enable fake_quant and observer modules on it. Test Plan: python test/test_quantization.py TestQuantizeFx.test_qat_and_script Imported from OSS Reviewed By: jerryzh168 Differential Revision: D23741354 fbshipit-source-id: 3fee7aa9b049d9901313b977710f4dc1c4501532