關於「__Main__ is not a package relative import」標籤，搜尋引擎有相關的訊息討論：

Relative imports for the billionth time - Stack Overflowstackoverflow.com › questions › relative-imports-for-the-b...What not to do when doing relative import in Python - Mediummedium.com › what-not-to-do-when-doing-relative-impor...Issues with relative importing : r/learnpytho