tree debf752f5256c5bc8b8b865bbf6fa83e7f964035
parent 4cd5d5675d63834f82ba232c86930cc41855ea9b
author godofredoc <godofredoc@google.com> 1675186831 -0800
committer GitHub <noreply@github.com> 1675186831 +0000
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Prevent failures when the checksuit branch is null. (#2436)

In presubmit PRs the checksuite branch is null causing the scheduler to
fail. If branch is null we use the default branch.