De-linting MadGraphControl

There were a few additional issues spotted by flake8 in the master. Fixing here and sweeping forward.

Should address ATLASSIM-4468

This merge request affects 1 package:

• Generators/MadGraphControl

Adding @zmarshal as watcher

added 21.6 Generators review-pending-level-1 labels

added 1 deleted label

CI Result SUCCESS (hash 5d83b352)

	AthGeneration
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST 43206]

This looks good. Thanks, @zmarshal!

MLB (L1)

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

merged

mentioned in commit 9ff1ce4c

added sweep:done label

mentioned in commit c17cc98f

mentioned in merge request !31560 (merged)

Sweep summary
successful:

• master

(see https://aiatlas154.cern.ch/jenkins/job/auto_git_sweeps/1103/console for details)

mentioned in commit bd8e6727