Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/fujimaki-qwt/new-emproyee-training/inspections/88245f60-d39a-41c1-92ad-529ca0a92168

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Merge pull request #1 from fujimaki-qwt/scrutinizer-patch-1

Scrutinizer Auto-Fixes