scikit-learn__scikit-learn-13779

Voting estimator will fail at fit if weights are passed and an estimator is None

Verdict: disputed: one of the two checks found quoted evidence (not counted as a flag).

Because we don't check for an estimator to be `None` in `sample_weight` support, `fit` is failing`

Disputed: one of the two checks found a pointer to the fix, the other found nothing. Not counted as a flag; the quote is on the task page.

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