pytorch

a73c6a45 - [reland][quant][graphmode][fx] Enable fuse handler for sequence of 3 ops (#70006)

[reland][quant][graphmode][fx] Enable fuse handler for sequence of 3 ops (#70006) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/70006 reland: fixing some mypy errors that was missed before This PR enables fuse handler for sequence of three ops, and merges all fuse handlers into one TODO: we can also move this to backend_config_dict folder Test Plan: regression fusion test ``` python test/test_quantization.py TestFuseFx ``` Imported from OSS Imported from OSS Reviewed By: supriyar Differential Revision: D33144606 fbshipit-source-id: ca34f282018a0fb4d04c7e35119eaf2d64258e78