FIX Covariates: enforce length invariant, fix slice() indexing - #49
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felixdivo merged 2 commits intoJul 10, 2026
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Covariates fields now default to None (explicit "absent for every series") instead of empty lists, so the length invariant can always hold without boilerplate: each field is either None or has one entry per series (len(x)). - ForecastInput.__post_init__ now validates each present covariate field has length len(x) (resolves the disabled TODO). - Covariates.__post_init__ validates non-None fields share one length, fixing a chained-comparison bug (a != b != c) that silently skipped checks. - slice() now takes series_idx and slices the time axis of the selected series, instead of incorrectly slicing the series axis; updated the sole caller in BaseTSFMSolver.forecast. - Enedis drops the redundant static_covars=[]; docstrings updated. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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CI Needs #50 |
# Conflicts: # benchmark_utils/covariates.py
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Thanks @rtavenar for checking this PR (in a different channel) :) |
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Covariatesfields defaulted to empty lists, solen(covariates) == 0whilelen(x) == N— which is why the length check inForecastInputwas disabled(it would fire for every covariate-free dataset).
Now each field defaults to
None("absent for every series"), so the invariantholds without boilerplate: a field is either
Noneor has one entry per series.ForecastInput.__post_init__: covariates must be absent (len 0) or cover everyseries (len(x)).
Covariates.__post_init__: present fields must share one length — fixes achained-comparison bug (
a != b != c) that silently skipped the check.slice()now takesseries_idxand slices the time axis of the selectedseries, instead of slicing the series axis; updated the sole caller.
static_covars=[]; docstrings updated.Leakage tests pass; the pre-existing encoder-shape test failures are unrelated.