mlebench/competitions/text-normalization-challenge-russian-language/grade.py [18:41]:
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    submission: pd.DataFrame,
    answers: pd.DataFrame,
    target_column: str,
    id_column: str,
) -> dict:

    # Answers checks
    assert target_column in answers.columns, f"Answers must have a `{target_column}` column"
    assert id_column in answers.columns, f"Answers must have a `{id_column}` column"

    # Submission checks
    if len(submission) != len(answers):
        raise InvalidSubmissionError("Submission must have the same length as the answers.")
    if target_column not in submission.columns:
        raise InvalidSubmissionError(f"Submission must have a `{target_column}` column")
    if id_column not in submission.columns:
        raise InvalidSubmissionError(f"Submission must have a `{id_column}` column")

    # sort on id to ensure correct order
    submission = submission.sort_values(id_column)
    answers = answers.sort_values(id_column)

    if (submission[id_column].values != answers[id_column].values).any():
        raise InvalidSubmissionError(f"Submission and Answers `{id_column}`'s do not match")
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mlebench/competitions/utils.py [197:220]:
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    submission: pd.DataFrame,
    answers: pd.DataFrame,
    target_column: str,
    id_column: str,
) -> dict:

    # Answers checks
    assert target_column in answers.columns, f"Answers must have a `{target_column}` column"
    assert id_column in answers.columns, f"Answers must have a `{id_column}` column"

    # Submission checks
    if len(submission) != len(answers):
        raise InvalidSubmissionError("Submission must have the same length as the answers.")
    if target_column not in submission.columns:
        raise InvalidSubmissionError(f"Submission must have a `{target_column}` column")
    if id_column not in submission.columns:
        raise InvalidSubmissionError(f"Submission must have a `{id_column}` column")

    # sort on id to ensure correct order
    submission = submission.sort_values(id_column)
    answers = answers.sort_values(id_column)

    if (submission[id_column].values != answers[id_column].values).any():
        raise InvalidSubmissionError(f"Submission and Answers `{id_column}`'s do not match")
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