meni181818

python indentation 4 spaces according to PEP8

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### Proposed changes python indentation from 2 spaces to 4 spaces because: python indentation is 4 spaces according to PEP8 https://peps.python.org/pep-0008/#indentation ### Related issues (optional)

"Docker Login" (-capitalized) is not valid command and if you copy & paste it's not going to work. **- What I did** raplace 2 chars, "D" to "d" and "L"...

return type of get_date() to -> datetime.date

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as described in the comment. `"""Return the content of the DateEntry as a datetime.date instance."""`