Sweeping !24516 from master to 21.0. Reducing the number of processed files in the egamma pileup ART test (!24571) · Merge requests · atlas / athena · GitLab

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Atlas Nightlybuild requested to merge cherry-pick-03c908db66-21.0 into 21.0 Jul 02, 2019

Reducing the number of processed files in the egamma pileup ART test

See merge request !24516 (merged)