nokia_isam improvements #844

Job	Run time
Parsers Test on Python 3.11 (ubuntu-24.04)	38s
Std Test on Python 3.12 (macos-15)	59s
Std Test on Python 3.14 (macos-14)	1m 24s
Std Test on Python 3.14 (macos-15)	1m 10s
Std Test on Python 3.13 (macos-14)	1m 6s
linters	34s
Std Test on Python 3.13 (macos-15)	50s
Std Test on Python 3.12 (macos-14)	48s
Std Test on Python 3.11 (windows-2022)	1m 23s
Std Test on Python 3.10 (ubuntu-24.04)	35s
Std Test on Python 3.12 (ubuntu-24.04)	34s
Std Test on Python 3.12 (windows-2022)	1m 16s
Std Test on Python 3.13 (windows-2022)	1m 20s
Std Test on Python 3.10 (windows-2022)	1m 22s
Std Test on Python 3.13 (ubuntu-24.04)	35s
Std Test on Python 3.11 (ubuntu-24.04)	33s
Std Test on Python 3.14 (windows-2022)	2m 6s
Std Test on Python 3.14 (ubuntu-24.04)	55s
	18m 8s

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