* optimize cinn subgraph detector

* fix update subgraph

* add annotation

[CodeStyle][F401] remove unused imports in python_paddle/nn_tensor_reader_tests_distributed_distribution_dataset_utils. (#46721)

* [CodeStyle][F401] remove unused imports in unittests/mkldnn

* fix some increment

[CodeStyle][F401] update flake8 F401 config (python_paddle/inference,device,profiler,text,metric,incubate,quantization,libs,audio,amp,jit). (#46763)

[CodeStyle][F401] remove unused imports in python_paddle/inference_device_profiler_text_metric_incubate_quantization_libs_audio_amp_jit. (#46762)

Signed-off-by: Yulv-git <yulvchi@qq.com>
Signed-off-by: Yulv-git <yulvchi@qq.com>

* exclude python code that auto-generated by protoc

* [CodeStyle][F401] update flake8 F401 config (unittests/npu,xpu,mlu,ipu)

* add npu, mlu to `exclude` field

* empty commit, test=document_fix

* add_lookup_table_v2

* add logging to fc residual fuse pass

* expand logging message to fc residual fuse pass

* Add test for fc residual not fusing with activation

* [CodeStyle][E306] remove error code E306 in flake8 config

* empty commit, test=document_fix

* [CodeStyle][E306] add a blank line before nested function

* revert changes

* add a blank line

* Add missing <cstddef>
  * Fix some iterator type
  * Currently use host protobuf to bypass build failure

* [CodeStyle] use built-in `open` instead of `io.open`

* revert flake8 config changes

[CodeStyle] remove compat module (long_type, int_type, get_exception_message, floor_division) (#46686)

* Remove F522,F524,F541 in .flake8 config

* empty commit, test=document_fix

* empty commit, test=document_fix

* remove using lodtensor part1

* polish history code format

* fix slice bugs

* fix

* update code

* fix

* update code