Fix WARNING - ... is unreachable: 'NoneType' object is not subscripta… #962

Job	Run time
Build Docker Image (linux/amd64, amd64)	1m 20s
Build Docker Image (linux/arm/v7, armv7)	4m 40s
Build Docker Image (linux/arm64, arm64)	4m 22s
Build Docker Image (linux/arm/v6, armv6)	5m 30s
Test Image (amd64)	37s
Test Image (armv7)	31s
Test Image (arm64)	32s
Test Image (armv6)	30s
Publish Image (amd64, registry.hub.docker.com)	26s
Publish Image (amd64, ghcr.io/diyhue)	28s
Delete failed artifacts	0s
Publish Image (armv7, registry.hub.docker.com)	23s
Publish Image (armv7, ghcr.io/diyhue)	23s
Publish Image (arm64, registry.hub.docker.com)	33s
Publish Image (arm64, ghcr.io/diyhue)	56s
Publish Image (armv6, registry.hub.docker.com)	24s
Publish Image (armv6, ghcr.io/diyhue)	52s
Tag Images (amd64, registry.hub.docker.com)	24s
Tag Images (Manifest) (registry.hub.docker.com)	12s
Tag Images (amd64, ghcr.io/diyhue)	33s
Tag Images (Manifest) (ghcr.io/diyhue)	10s
Tag Images (armv7, registry.hub.docker.com)	28s
Tag Images (armv7, ghcr.io/diyhue)	25s
Tag Images (arm64, registry.hub.docker.com)	26s
Tag Images (arm64, ghcr.io/diyhue)	24s
Tag Images (armv6, registry.hub.docker.com)	26s
Tag Images (armv6, ghcr.io/diyhue)	22s
Tag images to correct architecture (registry.hub.docker.com)	10s
Tag images to correct architecture (ghcr.io/diyhue)	6s
	26m 33s

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