TrigTier0: Fix flake8 python3 warnings.

• raise statement syntax

This merge request affects 1 package:

• Trigger/TriggerCommon/TrigTier0

added Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 57d9ffce)

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 6063]

Looks good, approving --L1

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit deef9d49

added sweep:ignore label