Fixing the command output not iterable error in nvme.py #2967

Job	Run time
Static checks	1m 38s
macOS with Python 3.11.1	10m 38s
Smokecheck on Linux with Python 3.8	24s
Smokecheck on Linux with Python 3.9	23s
Windows with Python 3.9	38s
Smokecheck on Linux with Python 3.10.0	38s
Windows with Python 3.10.0	1m 41s
Build Egg for Python 3.8	10s
Smokecheck on Linux with Python 3.11	1m 28s
Windows with Python 3.11	53s
Build Egg for Python 3.9	8s
Smokecheck on Linux with Python 3.12.0	31s
Windows with Python 3.12.0	1m 25s
Build Egg for Python 3.10.0	18s
Build Egg for Python 3.11	10s
Build Egg for Python 3.12.0	20s
Experimental checks	21s
Build Package (wheel/tarball) for Python 3.8	50s
Build Package (wheel/tarball) for Python 3.9	53s
Version task fedora:37	2m 50s
Build Package (wheel/tarball) for Python 3.10.0	2m 15s
Version task fedora:38	2m 26s
Version task ubi:8.8	1m 47s
Build Package (wheel/tarball) for Python 3.11	51s
Build Package (wheel/tarball) for Python 3.12.0	1m 3s
Version task ubi:9.2	26s
Version task debian:11.0	31s
Version task debian:12.4	1m 49s
Version task ubuntu:20.04	26s
Version task ubuntu:22.04	1m 54s
Egg task debian:11.0	23s
Egg task fedora:37	57s
Egg task debian:12.4	22s
Egg task fedora:38	46s
Egg task ubi:8.8	18s
Egg task ubi:9.2	18s
Egg task ubuntu:20.04	19s
Egg task ubuntu:22.04	16s
Fedora develop install/uninstall task	2m 50s
Fedora selftests	8m 10s
Podman Egg task	15s
Podman spawner with 3rd party runner plugin	54s
Linux with Python 3.8	7m 53s
Linux with Python 3.9	7m 56s
Linux with Python 3.10.0	9m 16s
Linux with Python 3.11	9m 36s
Linux with Python 3.12.0	8m 35s
	1h 38m 49s

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