Because it is a standard library of Python.

* Workflow runnable

* CI

* Slight changes to make the workflow runnable. The changes of handler/provider should be reverted before merging.

* Train experiment successful

* Refine handler & provider

* CI issues

* Resolve PR comments

* Resolve PR comments

* CI issues

* Fix test issue

* Black

* 1) check limit_up/down should consider direction; 2) fix some typo, typehint etc

* fix error

* Update test_all_pipeline.py

Believe it's just some arbitrary number.
The excess return is expected to change when trading logic changes.

* add flag forbid_all_trade_at_limit to keep previous behivour for backward compatibility

* fix_check_output_bug

* change_log_info

* recover_feature

* Simple RL notebook

* Add link to the notebook

Co-authored-by: Young <afe.young@gmail.com>

* [DDG-DA] Update crowd-sourced data experiments

* Remove internal data version

* Modify README

* config.py: fix typo; static method

* fix typo in qlib/utils/paral

* 1) limit numpy version as numba support for 1.24+ has not been released; 2) no need to use custom numba version for pytest.

* remove useless argument

Co-authored-by: you-n-g <you-n-g@users.noreply.github.com>

* horizontally put the bar figures

* 1) use rangebreaks to handle gaps in datetime axis instead of make them string; 2) allow simultaneously plot rankic in ic_figure

* pylint improvement

* fix black lint

* better axis formatting

* default not show gaps

* resolve doc built error

* fix pylint

* Update qlib/contrib/report/analysis_model/analysis_model_performance.py

More detailed description

Co-authored-by: you-n-g <you-n-g@users.noreply.github.com>

* Update qlib/contrib/report/analysis_model/analysis_model_performance.py

for Python backward compatibility

Co-authored-by: you-n-g <you-n-g@users.noreply.github.com>

* add doc string

* fix black

* 1) limit numpy version as numba support for 1.24+ has not been released; 2) no need to use custom numba version for pytest.

Co-authored-by: you-n-g <you-n-g@users.noreply.github.com>

* fix_ZScoreNorm_bug

* fix_CI_error

* fix_CI_error

* add_test_processor

* fix_pylint_error

* fix_some_error_and_optimize_code

* modify_terrible_code

* optimize_code

* optimize_code

* auto_add_label

* add md file to rule

* change name and rules

* change_label_name

* change_rule_syntax

* change match rule

* change label name

* Remove Wrong Package Name

* Update requirements.txt

* The limit threshold in Taiwan stock market is also 10%.

* Warning limit_threshold when it is None.

* fix typo in docstrings

* fix typo

* fix typo

* fix black lint

* fix black lint

* Fix warning in processor.py.

* Remove comment.

* Fix data pipeline

* Add TODO

Resolve issues while running Automatic update of daily frequency data (from yahoo finance) for US region (#1358)

* Update YahooNormalizeUS1dExtend(#1196)

* Prevent pandas read_csv errors while running update_data_to_bin for US region

* Fix parse_index error while running update_data_to_bin for US region

* prevent pandas.read_csv error on specific symbol names

* Reordering parameters for better rendering

* removes prefix during feature_dir existence checking

* add explanation comments

* Fix the Errors/Warnings when building Qlib's documentation

* Fix

* Fix

* Empty

* Test CI

* Add doc compiling checking to CI

* Fix

* Tries to be consistent with Makefile

Co-authored-by: you-n-g <you-n-g@users.noreply.github.com>

* fix logging_level: make logging level specified in qlib.init apply to all loggers

* downgrade loglevel in expmanager __init__ to debug (it will be called in each process in multiprocessing operations such as read data)

* correct gramma error

* fix black lint

* use functor to cache loggers and set level

* correct black lint

* correct pylint

* correct pylint

* Add early stopping to double ensemble model, add example

* Fix lint error

* fix_qrun_error

* add_description

* fix gramma error in doc strings

* fix typos in exchange.py

* fix typos and gramma errors

* fix typo and rename function param to avoid shading python keyword

* remove redundant parathesis; pass kwargs to parent class

* fix pyblack

* further correction

* assign -> be assigned to

* Set _artifact_uri when mlflow_run is not None.

* Fix black.

* Optimize the implementation of uri

* remove redundant func

* Set the right order of _set_client_uri

* Update qlib/workflow/expm.py

* Simplify client & add test.Add docs; Fix async bug

* Fix comments & pylint

* Improve README

* Fix ERROR: Unexpected indentation in qlib/data/dataset/handler.py

* Fix ERROR: Unexpected indentation in qlib/data/dataset/__init__.py

* Fix ERROR: Unexpected indentation in ../qlib/data/cache.py

* Fix ERROR: Unexpected indentation in qlib/model/meta/task.py

* Fix ERROR: Unexpected indentation in qlib/model/meta/dataset.py

* Fix ERROR: Unexpected indentation in qlib/workflow/online/manager.py

* Fix ERROR: Unexpected indentation in qlib/workflow/online/update.py

* Fix ERROR: Unexpected indentation in /qlib/workflow/__init__.py

* Fix ERROR: Unexpected indentation in qlib/data/base.py

* Fix ERROR: Unexpected indentation in qlib/data/dataset/loader.py

* Fix ERROR: Unexpected indentation in qlib/contrib/evaluate.py

* Fix ERROR: Unexpected indentation in qlib/workflow/record_temp.py

* Fix ERROR: Unexpected indentation in qlib/workflow/task/gen.py

* Fix ERROR: Unexpected indentation in qlib/strategy/base.py

* Fix qlib/data/dataset/handler.py

* Retest

* Add :noindex: to docs/advanced/task_management.rst

* Add :noindex: to docs/component/data.rst

* Add :noindex: to docs/component/model.rst

* Add :noindex: to docs/component/online.rst

* Add :noindex: to docs/component/recorder.rst

* Add :noindex: to docs/component/report.rst

* Retest

* Fix docs/advanced/alpha.rst

* Fix docs/reference/api.rst

* Fix docs/component/strategy.rst

* Fix docs/start/integration.rst

* Fix docs/component/report.rst

* Fix docs/component/data.rst

* Fix docs/component/rl/framework.rst

* Fix docs/introduction/quick.rst

* Fix docs/advanced/task_management.rst

* Fix CHANGES.rst

* Fix docs/developer/code_standard_and_dev_guide.rst

* Fix docs/hidden/client.rst

* Fix docs/component/online.rst

* Fix docs/start/getdata.rst

* Add docs/hidden to exclude patterns

* Add docs/developer/code_standard_and_dev_guide.rst to index.rst

* Change docs/developer/code_standard_and_dev_guide.rst place in index.rst

* bug fix: 1) 100 should be used to scale down percentileofscore return to 0-1, not length of array; 2) for (linear) weighted MA(n), weight should be n, n-1, ..., 1 instead of n-1, ..., 0

* use native pandas fucntion for rank

* remove useless import

* require pandas 1.4+

* rank for py37+pandas 1.3.5 compatibility

* lint improvement

* lint black fix

* use hasattr instead of version to check whether rolling.rank is implemented

* update TSDataSampler

* reformat code with black

* use pre-commit to reformat the code

* Add documents

* More docstring

* More Safety

Co-authored-by: Young <afe.young@gmail.com>