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[python-package] [dask] fix mypy errors from dask.py docstrings #4844

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merged 1 commit into from
Dec 2, 2021

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jameslamb
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Contributes to #3867.

This PR fixes a few mypy errors in dask.py

python-package/lightgbm/dask.py:1144: error: Item "None" of "Optional[str]" has no attribute "partition"
python-package/lightgbm/dask.py:1327: error: Item "None" of "Optional[str]" has no attribute "partition"
python-package/lightgbm/dask.py:1490: error: Item "None" of "Optional[str]" has no attribute "partition"

Confirmed that this suppresses these warnings by running the following.

mypy \
    --exclude='python-package/compile/|python-package/build' \
    --ignore-missing-imports \
    python-package/

@@ -1141,7 +1141,7 @@ def __init__(
)

_base_doc = LGBMClassifier.__init__.__doc__
_before_kwargs, _kwargs, _after_kwargs = _base_doc.partition('**kwargs')
_before_kwargs, _kwargs, _after_kwargs = _base_doc.partition('**kwargs') # type: ignore
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the warnings mentioned in the description come from the fact that LGBMClassifier.__init__.__doc__ has type Optional[str].

Proposing that these be ignored, for the reasons described in #4837 (comment)

@jameslamb jameslamb changed the title [python-package] fix mypy errors from dask.py docstrings [python-package] [dask] fix mypy errors from dask.py docstrings Dec 2, 2021
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Thank you for working on this. LGTM according to the linked comment.

@jameslamb jameslamb merged commit de23b56 into master Dec 2, 2021
@jameslamb jameslamb deleted the more-mypy-dask branch December 2, 2021 20:26
@StrikerRUS StrikerRUS mentioned this pull request Jan 6, 2022
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@jameslamb jameslamb mentioned this pull request Oct 7, 2022
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This pull request has been automatically locked since there has not been any recent activity since it was closed. To start a new related discussion, open a new issue at https://github.com/microsoft/LightGBM/issues including a reference to this.

@github-actions github-actions bot locked as resolved and limited conversation to collaborators Aug 23, 2023
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3 participants