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abarth@webkit.org authored
Unreviewed. Fix sheriffbot not to crash when there are failing tests. It turns out Python sets don't support the + operator. We need to use union instead. There's a more elegant way to do this in Python 2.6, but we need this code to work in 2.5. * Scripts/webkitpy/common/net/failuremap.py: * Scripts/webkitpy/common/net/failuremap_unittest.py: git-svn-id: http://svn.webkit.org/repository/webkit/trunk@69480 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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