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Mahalanobis detector is incompatible with scipy > 1.13 #906

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sfo opened this issue Oct 30, 2024 · 0 comments
Open

Mahalanobis detector is incompatible with scipy > 1.13 #906

sfo opened this issue Oct 30, 2024 · 0 comments

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@sfo
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sfo commented Oct 30, 2024

Since scipy version 1.14.0, the scipy.linalg.eigh method does no longer accept the eigvals parameter (it's been marked as deprecated since 1.5.0), which is used here:

alibi-detect/alibi_detect/od/mahalanobis.py

Line 272 in ecb3bcc

eigvals, eigvects = eigh(cov_batch, eigvals=(n_params - n_components, n_params - 1))

The solution is also given in the deprecation note:

[...] use subset_by_index keyword instead. [...]

I fear that I cannot oversee the implications and consequences of this change, so I will avoid submitting a pull request for the time being.
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