Unknown feature estimator type BoW:top_tokens_count=1000

[dudarev]

Problem: Exception is raised where no exceptions were raised before
catboost version: 1.0.3
Operating System: MacOS
CPU: +
GPU: ?

Specifying

    feature_calcers: Iterable[str] = (
        "BoW:top_tokens_count=1000",
        "NaiveBayes",
        "BM25",
    )

worked in versions up to 1.0.0 (including). Exception is generated in version 1.0.3:

...
  File ".pyenv/versions/dispute-prediction-service/lib/python3.8/site-packages/catboost/core.py", line 1953, in _prepare_train_params
    _check_train_params(params)
  File "_catboost.pyx", line 5839, in _catboost._check_train_params
  File "_catboost.pyx", line 5858, in _catboost._check_train_params
_catboost.CatBoostError: catboost/private/libs/options/text_processing_options.cpp:133: Unknown feature estimator type BoW:top_tokens_count=1000

[kizill]

Fixed in 6bfbe66 Will appear in the next bugfix release.