MadGraphControl: Fix flake8 warning.

Fix flake8 warnings.

This merge request affects 1 package:

• Generators/MadGraphControl

Adding @zmarshal as watcher

added Generators master review-pending-level-1 labels

CI Result FAILURE (hash 3286b3aa)

	Athena	AthSimulation	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 1, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 11466]

This one isn't to do with my changes...

Jenkins please retry a build

This merge request affects 1 package:

• Generators/MadGraphControl

Adding @zmarshal as watcher

CI Result FAILURE (hash 3286b3aa)

	Athena	AthSimulation	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 1, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 11472]

The compilation failure of SCT_Monitoring will be fixed by !31517 (merged)

Jenkins please retry a build

This merge request affects 1 package:

• Generators/MadGraphControl

Adding @zmarshal as watcher

CI Result SUCCESS (hash 3286b3aa)

	Athena	AthSimulation	AnalysisBase
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
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 11508]

The changes look good, and CI passes. Approving.

Xiaozhong (L1)

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

merged

mentioned in commit 73af9098

added sweep:ignore label