* [CodeStyle][E711] use `is`/`is not` for comparison with `None`

* `self.assertTrue($A is None)` -> `self.assertIsNone($A)`

* `self.assertTrue($A is not None)` -> `self.assertIsNotNone($A)`

* `self.assertFalse($A is None)` -> `self.assertIsNotNone($A)`

* `self.assertEqual($A, None)` -> `self.assertIsNone($A)`

* `self.assertNotEqual($A, None)` -> `self.assertIsNotNone($A)`

* [CodeStyle][E712] use `if cond`/`if cond is True` for comparison with `True`

* revert changes in fluid

* revert unrelated file

* revert changes in norm

* revert changes in auto_parallel_amp

* fix norm and auto_parallel_amp

* revert a typo fix due to fixed at #47477

* 修改.gitigore文件，把ljd_sh文件忽略掉

* 取消ljd_sh文件忽略

* filter npu xpu mlu ipu file

* filter xpu npu mlu ipu files

* filter npu xpu mlu ipu file

* maping from dist name scope to single name scope

* update

* fix gen cmake

* support runtype is '' when using test_runner.py

* Revert "fix gen cmake"

This reverts commit d7a653d33aeacb8bb4a13957c9961ed9f626a18f.

* update gen-ut-cmakelist; test=document_fix

* revert code; test=document_fix

* test,test=ljd_test

* modify get_ut_file_map.py,test=ljd_test

* modify paddle_build.sh,test=ljd_test

* test,test=ljd_test

* update precise test logic,test=ljd_test

* it is a test,test=ljd_test

* it is a test,test=ljd_test

* it is a test,test=ljd_test

* it is a test,test=ljd_test

* it is a test,test=ljd_test

* it is a test,test=ljd_test

* precise test logic update

* precise_test_map_optimization

* modify get_pr_ut.py

* apply new map to coverage,test=coverage

* apply new map to coverage,test=coverage

* apply new map to coverage,test=coverage

* apply new map to coverage,test=coverage

* apply new map to coverage,test=coverage

* apply new map to coverage,test=coverage

* [CodeStyle][black] format dy2static unittests

* format some missing files

* update lineno in test_origin_info

* update lineno in test_error

* update lineno

* update config

* re-blacken python code

* temporarily disable date and diff_py_file

* skip a format

* add audio feature dataset

* fix coding style

* fix coding style2

* rm librosa

* rm voxceleb

* rm librosa in test

* add scipy fftpack

* add functional

* fix setup

* fix setup2

* rm colorlog

* refactor dataset __init__.py

* fix converage

* fix librosa import error

* fix windows test

* fix windows ci

* rm datasets

* fix setup

* remove testdata

* add librosa in requirement

* add librosa in requirement2

* change librosa to 0.8.1

* update ci docker

* fix ci error

* fix ci error2

* fix ci coverage

* fix converage

* fix coverage

* rm audio_base in test, notest,test=coverage

* fix copyright

* rm backend

* add datast in __init__

* rm compliance&&add function test

* fix setup

* fix windows

* fix windows2

* fix test timeout

* add backend & datasets

* fix bugs

* fix ci time issue

* add dataset test

* rm test_audio_feature

* avoid windows isssue, tmp

* note windows isssue

* skip windows issue

* refactor dataset test

* add dataset.py

* fix dtype in layers.mfcc

* fix ci-static-check

* fix dtype in layers.mfcc && fix ci-static-check

* add relative accuracy

* modity API.spec

* skip cuda11.2 test

* skip cuda11.2 test2

* skip cuda11.2

* change dataset name

* fix format

* update api.spec

* update api.spec2

* fix coverage

* add dataset test

* rm download load dict

* rm download load dict in init

* update api.spec3

* fix dataset coverage

* fix coverage

* fix coverage2

* restore api.spec

* restore api.spec2

* fix api-spec 3

* fix api-spec 4

* fix api.spec

* fix api.spec6

* refactor init_backend

* fix typo

* change paddleaudio backend set

* fix get_current_audio_backend()

* fix format

* fix format2

* remove format in parameters

* fix format2

* add warning massage in wave_backend && remove redundant audio util

* rm audio util in print_signatures

* fix format3

* add tess dataset license

* format warning

* add more info in warning msg

* add paddleaudio version check

* replace dataset esc50 with tess

* add tess dataset && rm numpy transform in dataset.py

* fix set audio backend bug

* fix equal error

* fix format && coverage error

* add api example

* fix format

* fix error

* fix typo

* add noqa in __init__

* fix backend doc example error

* rm seed in dataset

* update bakcend example

* fix typo

* fix typo

* fix example err

* fix typo

* fix ci dataset test

* fix example fil

* try to fix ci

* clean dataset doc

* change get_current_audio_backend to get_current_backend

* creplace paddle.audio.backends.info with paddle.audio.info, same with load, save

* fix ci error

* repalce api in test_audio_backend

* fix save&&set_backend exmaple

* Fix W605 in tools folder by adding escape symbols

* Fix W605 in incubate and some other folders

* Fix W605 in /fluid/test folders

* Update tools/analysisPyXml.py
Co-authored-by: NNyakku Shigure <sigure.qaq@gmail.com>

* Add some changes to manual and auto escape symbols

* revert changes in transformer.py

* Fix new code with W605 error: add escape symbols

* revert changes in transformer.py

* revert changes in transformer.py
Co-authored-by: NNyakku Shigure <sigure.qaq@gmail.com>

Enable to record whether the conv algo is got by exhaustive search to fix autotune cache bug. (#47065)

* clean unused code: piece.cc/h

* clean usage

* [CodeStyle][py2] fix an decode error caused by 47036

* add a comment

* add an unittest for Block._rename_var

* add test_block_rename_var to static_mode_white_list

* [CodeStyle][py2] remove `compat` module (to_bytes)

* remove some unused imports

* clean up to_bytes definition and unittests

* Revert "clean up to_bytes definition and unittests"

This reverts commit e726539e1768172a411ff60e63fab82f164343cf.

* use `b` prefix instead of `encode()`

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

* revert changes

* add a blank line

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

* revert flake8 config changes

* Update README.md

* Update README.md

* Fix E713: convert 'not ... in' to 'not in'

* Update README.md

* Update README.md

* Fix F541 by converting f-string to normal strings

* test

* test

* refine check pr is_comment chanege

* test

* check change of unittest before checking coverage rate,test=coverage

* modify paddle_build.sh

* adding test_list.py

* [CodeStyle] remove all future import

* revert test_error.py

* restore future import in example code

* it is a test for my idea,test=coverage

* it is a test,test=coverage

* it is a test,test=coverage

* optimizing coverage ci for build develop twice

* it is a test to delete a unnitest,test=coverage

* optimizing pr ci coverage