PyUtils: Fix use of deprecated pyroot syntax.

Should now use [], not (), to supply template parameters.

This merge request affects 1 package:

• Tools/PyUtils

added Tools master review-pending-level-1 labels

CI Result SUCCESS (hash e054c5c0)

	Athena	AthSimulation	AnalysisBase	AthGeneration
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
AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 15820]

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

mentioned in commit ffb3f836

merged

added sweep:ignore label