Fix falsy variable reusage #939

Job	Run time
🔍 Check if pull request	2s
🐍 Prepare Python	32s
⬢ Prepare Node.js	19s
🧱 Build test matrix	9s
🧱 Build Spotlight	4m 25s
🔍 Check	2m 22s
📝 Build API docs	54s
🗃 Build datasets	2m 3s
🧪 Doc Test	1m 12s
🧪 Unit Test	1m 19s
🔍 Check wheel contents	28s
🧪 UI Test (chrome)	2m 49s
🧪 UI Test (firefox)	4m 58s
🧪 Integration Test (ubuntu-latest, 3.8)	14m 16s
🚀 Release Spotlight	0s
	35m 48s

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