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MCCD: restore to PSFEx parity #674
Description
Running MCCD on candide needs to be fixed.
- missing config file config_exp_mccd.ini
- adding (back) mccd to requirements
- check installation
Once this works, a few other issues can probably be closed:
Tracking issue for restoring MCCD to working parity with PSFEx (updated 2026-09-06).
Current state: mccd==1.2.4 (Feb 2023, last release) installs and imports; the six mccd_*_runner modules exist but nothing exercises them in CI or tests. Known blockers: #601 (fit crashes on current ModOpt, reproduced, unfixed; #615's fix waited on a pysap/sparse2d/MCCD re-tag that never happened), #630 (interp crash on ~3/1262 tiles), #402 (install).
Done means: an MCCD fit+interp run completes on candide from example/cfis/config_*mccd*.ini, with a small test in CI so it can't silently break again.
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[-][BUG] MCCD run on candide[/-][+]MCCD: restore to PSFEx parity[/+]cailmdaley commentedon Sep 6, 2026
Note from the #847 merge:
workflow/config/cfis/config_exp_mccd.inistill listsINPUT_MODULE = split_exp_runner, mask_runner, referencing theexp_maskrule that #847 removed. The MCCD workflow branch is unvalidated, so this is one more thing to fix when it's exercised.