* Intermediate version
* Fix yaml template & Successfully run rolling
* Be compatible with benchmark
* Get same results with previous linear model
* Black formatting
* Update black
* Update the placeholder mechanism
* Update CI
* Update CI
* Upgrade Black
* Fix CI and simplify code
* Fix CI
* Move the data processing caching mechanism into utils.
* Adjusting DDG-DA
* Organize import
* 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
* Fixed pandas FutureWarning
`FutureWarning: Passing a set as an indexer is deprecated and will raise in a future version. Use a list instead.`
* fixed another pandas FutureWarning
```
scripts/data_collector/index.py:228: FutureWarning: The frame.append method is deprecated and will be removed from pandas in a future version. Use pandas.concat instead.
new_df = new_df.append(_tmp_df, sort=False)
```
* fixed more pandas futurewarnings
* add period ops class
* black format
* add pit data read
* fix bug in period ops
* update ops runnable
* update PIT test example
* black format
* update PIT test
* update tets_PIT
* update code format
* add check_feature_exist
* black format
* optimize the PIT Algorithm
* fix bug
* update example
* update test_PIT name
* add pit collector
* black format
* fix bugs
* fix try
* fix bug & add dump_pit.py
* Successfully run and understand PIT
* Add some docs and remove a bug
* mv crypto collector
* black format
* Run succesfully after merging master
* Pass test and fix code
* remove useless PIT code
* fix PYlint
* Rename
Co-authored-by: Young <afe.young@gmail.com>
