* move DataLoader to paddle.io. test=develop

* autofix
Co-authored-by: NLiyulingyue <83450930+Liyulingyue@users.noreply.github.com>

* revert changes in python/paddle/distributed/fleet/utils/hybrid_parallel_util.py

* empty commit, trigger ci

* fix test_slice

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Co-authored-by: NSigureMo <sigure.qaq@gmail.com>

[CodeStyle][C416][C417] rewrite unnecessary comprehension with function call and use generator instead of map (#52140)

* codestyle c416 c417

* fix error

* fix inc

* unify all C4 rules into one

* fix inc

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Co-authored-by: NSigureMo <sigure.qaq@gmail.com>

* delete old dygraph op test

[CodeStyle][C408][C409][C410] Fix unnecessary <dict/list/tuple> call and unnecessary <list/tuple> passed to <list/tupule>() (#51928)

* autofix

* add select config

* autofix C410

* add C410 select

* [Zero-Dim] Support output 0D for argmin/argmax/median/kthvalue/mode/equal_all/allclose

* fix CI

[Zero-Dim] Support 0D for numel/rank/size/optimizer/create_parameter/create_global_var, fix some usage to adapt 0D (#51566)

* mkldnn->onednn

* fused softplus op + kernel

* remove extra attributes

* add missing handler

* change var name

* move io

* fix ci bugs

* fix ci bugs

* fix py3 bugs

* fix example code

* fix example code

* fix text

* fix text

* deal with ci bugs

* perfect code according comment

* delete import batch

* Add gru qat int8 test

* Change place of model downloading

* Update paddle/fluid/inference/tests/api/CMakeLists.txt
Co-authored-by: NSławomir Siwek <slawomir.siwek@intel.com>

* Correct flags names and add description

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Co-authored-by: NSławomir Siwek <slawomir.siwek@intel.com>

* got rid of save_quant_model

* review changes

* remove with_data_parallel in unittest

* fix CI

* remove comment

* trigger CI

* revert part changes

* test_build_strategy_fusion_group_pass

* remove extra input of conv2d

* fix bug

* fix unittest bug

* adjust conv2d.pbtxt

* fix cpu_quantize_pass_tester

* revert use_addto of conv2d

* fix runtime attribute

* fix bug

* recover force_fp32_output in conv2d

* refine error info

* fix bug

* update config

* re-blacken python code

* temporarily disable date and diff_py_file

* skip a format